Describe the process of photosynthesis, in your own words.
Answer:
Photosynthesis is process by which green plants manufacture their food by making use of carbon dioxide and water in the presence of sunlight
Why are there two numbers normally given when determining blood pressure?
Answer:
Both numbers are equally important and you need both. There are two because you need both.
Explanation:
When you go to take your blood pressure the top number is the systolic pressure and it measures the amount of pressure in your arteries during the contraction of your heart muscle. The bottom number is called the dialostic pressure and measures the amount of blood pressure of you heart muscle between beats. Healthy blood pressures numbers are 120 over 80, or 120/80.
Photosynthesis Puzzle #3
Puzzle 4
Why are these images grouped together?
They must have something in common.
Answer:
They all have cholorophyll
Explanation:
Or we can say they carry out photodynthesis and make food.
See, all the pictures are green, this green pigment (colour ) is cholorophyll.
The first, second and fourth are pictures of leaves [which makes food] and the third picture is a illustration of the mitochondria.
Hope it helps!
Answer:
what's common between them is the colour green which is caused by chlorophyll
Explanation:
chlorophyll are green pigments in a leaf which facilitates sun light absorption for the leaf .Even the a structure is shown the picture
Pleaseeeeee helppppppp
Looking at the chart, I notice a decreasing trend in the data. The total mass of the three US glaciers is declining over time.
How to explain the informationFirstly, the melting of glaciers contributes to a rise in sea levels. This increased water volume can lead to coastal flooding, erosion, and the loss of coastal habitats. Additionally, the melting of glaciers affects freshwater availability in certain regions, as many communities rely on glacial meltwater for drinking water, agriculture, and hydropower.
The lithosphere, hydrosphere, and cryosphere are different components of the Earth's physical systems: The lithosphere refers to the solid, outermost layer of the Earth. It includes the Earth's crust and a portion of the uppermost mantle. The hydrosphere encompasses all the water on Earth, including water in the oceans, seas, lakes, rivers, groundwater, and even water vapor in the atmosphere.
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Which option describes a mass extinction?
А.
a large meteorite hits the Earth; many species rapidly disappear from the fossil record
B. the amount of sunlight on Earth Increases; organisms of a single species increase in number
C. glaciers cover the Earth; many species rapidly increase in number and take over
D
a small volcano explodes; organisms of a single species disappear
At which classification level could two organisms belonging to the same group have the LEAST
in common?
class
family
order
species
Explanation:
Species but dot take my word on it is was an educated guess
Answer:
Explanation:
Species
kingdom is further split into phylum or division, class, order, family, genus, and species, which is the smallest group.
The science of classifying organisms is called taxonomy and the groups making up the classification hierarchy are called taxa.
Clown fish live in the waving tentacles of sea anemones in the ocean. The sea
anemone provides a safe place for the clown fish to escape predators. The sea
anemone, although it has poisonus tentacles, does not bother the clown fish and is
not harmed by the clown fish. This relationship between organisms can be described
as-
a- commensalism
b- mutualism
c- parasitism
d- predation
Answer:
d i thank?
Explanation:
A woman with normal blood clotting mates with a man who has hemophilia. Their first child is a boy who has hemophilia. Tests show that the father and son both have the same form of hemophilia, that it is X-linked recessive, and that the boy has normal genetic inheritance. You can predict that if the couple produces more children together, then the odds are that: 7 tion Select one: O a. Half of the boys and none of the girls will have hemophilia. b. None of the rest of the children should have hemophilia. c. Half of the boys and half of the girls will have hemophilia. d. All of the children will have hemophilia.
The correct option is A. Half of the boys and none of the girls will have hemophilia . This scenario, we have a woman with normal blood clotting (presumably carrying two normal X chromosomes) and a man with hemophilia .
Hemophilia is a rare genetic disorder characterized by impaired blood clotting. It is caused by a deficiency or malfunction of specific clotting factors in the blood, namely Factor VIII (hemophilia A) or Factor IX (hemophilia B). These factors are crucial for normal clot formation and prevention of excessive bleeding. People with hemophilia experience prolonged bleeding even from minor injuries, and spontaneous internal bleeding can also occur.
Symptoms include easy bruising, joint pain, and prolonged bleeding after dental procedures or surgeries. Hemophilia is usually inherited, with symptoms more commonly observed in males. Treatment involves replacing the deficient clotting factors through infusions, managing bleeding episodes with medications, and adopting measures to prevent injuries.
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which stages of aerobic cellular respiration release carbon dioxide waste?
The citric acid cycle is the phase of cellular respiration where carbon dioxide is released. The citric acid cycle, the electron transport chain, and glycolysis make up the three phases of aerobic cellular respiration.
The Krebs cycle, the Link reaction, and glycolysis are the three stages of cellular respiration that oxidize the glucose molecule to carbon dioxide.
The process that takes place in the mitochondria of a living thing is called cellular respiration. Water and carbon dioxide are emitted as waste during this procedure. It is a metabolic process that converts glucose into ATP.
Anaerobic respiration does not require oxygen to occur, unlike aerobic respiration. Anaerobic respiration, which occurs in microorganisms like yeast, a unicellular (or single-cell) fungal, is known as fermentation. This process results in the production of carbon dioxide and an alcohol variant called ethanol.
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Answer:
The stage of cellular respiration in which carbon dioxide release takes place is the citric acid cycle.
Explain how you would determine whether the contact between
sandstone that overlies basalt is a non-conformity or is the result
of intrusive contact metamorphism.
To determine whether the contact between sandstone that overlies basalt is a non-conformity or the result of intrusive contact metamorphism, you would examine the characteristics of the contact zone and the relationship between the two rock layers.
In the case of a non-conformity, the sandstone would be deposited on top of the eroded surface of the basalt, indicating a significant time gap between the formation of the basalt and the deposition of the sandstone.
The contact zone would show signs of erosion, such as angular unconformity or evidence of weathering.
On the other hand, if the contact is the result of intrusive contact metamorphism, there would be signs of thermal alteration and contact metamorphic effects in the sandstone near the contact zone.
The sandstone would show changes in texture, mineralogy, and color due to the heat and chemical alteration caused by the intrusion of the hot basalt magma.
To make a conclusive determination, you would need to carefully examine the contact zone, observe the characteristics of both rock layers, analyze the mineralogical and textural changes, and consider the geological context of the area.
This may involve conducting field observations, collecting rock samples, and conducting laboratory analyses to identify the presence of metamorphic minerals or other evidence of intrusive contact metamorphism.
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After eating a sugary snack, a person's blood sugar
level may rise for a short period of time. Which
statement describes the body's way of restoring
homeostasis?
A. The brain will stimulate the body to sweat
in order to increase blood sugar levels.
O B. The brain will stimulate the cells to produce
more sugar, increasing blood sugar levels.
C. The brain will stimulate the cells to
maintain the elevated blood sugar levels.
O D. The brain will stimulate the release of a
chemical that will lower blood sugar levels.
Which of the following is not used directly by corals for nutrition?
a. Photosynthesis b. Zooxanthellae c. Mucus Tentacles d. Mesenterial filaments
The option that is not directly used by corals for nutrition is (a) Photosynthesis.
Corals have a mutualistic relationship with photosynthetic algae called zooxanthellae (option b). These algae live inside the coral's tissues and provide a significant portion of the coral's nutritional needs through photosynthesis. The energy produced by photosynthesis is transferred to the coral host.
Corals also have mucus tentacles (option c) and mesenterial filaments (option d) that play important roles in their nutrition. Mucus tentacles help capture and trap small particles, such as plankton, which can be consumed by the coral. Mesenterial filaments are specialized structures that aid in the digestion and absorption of nutrients, particularly when corals are feeding on larger prey or during periods of reduced symbiotic activity.
corals themselves do not perform photosynthesis directly. Instead, they rely on the photosynthetic activity of their symbiotic zooxanthellae for a significant portion of their energy and nutrient requirements.
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Which is NOT needed to complete photosynthesis?
A. water
B. oxygen
C. sunlight
D. carbon dioxide
read the article and use the information to answer the following questions. cholera in haiti what events likely led to the outbreak of cholera in haiti?
The outbreak of cholera in Haiti was first reported in October 2010. It was the first time that this illness was seen in the country since 1960.
The outbreak of cholera in Haiti was first reported in October 2010. It was the first time that this illness was seen in the country since 1960. It was not known to be endemic in Haiti, which meant that it had not occurred there for at least the previous five years. Cholera is a bacterial illness that is transmitted through contaminated water or food. It causes severe diarrhea, vomiting, and dehydration. The illness can be fatal if left untreated. Cholera is known to occur in countries with poor sanitation and hygiene practices. It is also more likely to occur in areas with high population density, such as refugee camps or slums. In Haiti, a combination of factors likely led to the outbreak of cholera. The country was still recovering from a devastating earthquake that occurred in January 2010. Many people were living in crowded tent camps without access to clean water or sanitation facilities. In addition, heavy rains in the weeks before the outbreak likely contaminated the Artibonite River, which is a major water source for many people in the region. This contamination likely led to the spread of cholera throughout the area. Overall, the outbreak of cholera in Haiti was a tragic reminder of the importance of clean water and sanitation in preventing the spread of infectious diseases.
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Pls help and thank youuuu:)
Answer:
A
Explanation:
Answer:
D.
Explanation:
Hemosiderin found in macrophages and PMNs in lung tissue indicate which of the following?
a. Aggregation
b. Anemia
c. Pulmonary congestion
d. Transudation
Hemosiderin found in macrophages and PMNs in lung tissue indicates (Option c.) Pulmonary congestion.
Hemosiderin is a pigment that results from the breakdown of hemoglobin, the iron-containing molecule found in red blood cells. It is typically stored within macrophages and neutrophils (PMNs) in tissues.
In the context of lung tissue, the presence of hemosiderin in macrophages and PMNs suggests pulmonary congestion. Pulmonary congestion refers to the accumulation of fluid, often blood or blood-derived components, within the lungs. It can occur due to various conditions such as heart failure, inflammation, or lung damage.
The presence of hemosiderin indicates that red blood cells have leaked into the lung tissue, possibly due to increased blood vessel permeability or congestion. Macrophages and PMNs phagocytose the leaked red blood cells and store the iron pigment, hemosiderin, as a result.
Therefore, the presence of hemosiderin in macrophages and PMNs in lung tissue is an indication of pulmonary congestion.
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What are the general climate regions on earth?
The Earth has three main climate zones: tropical, temperate, and polar.
Answer: warm, hot, cold, chilly
Explanation:
Which of the following statements is true about niches?
I. New species can outcompete native species to fill a niche.
II. Extinction or emigration of a species can leave a niche vacant.
III. Some species occupy niches that no other species can fill.
Answer:
0
Explanation:
Identify the bonds formed between RNA nucleotides by RNA polymerase.
A. Ester
B. Glycosidic
C. Peptide
D. Phosphodiester
Answer:
D. Phosphodiester
Explanation:
Just as the DNA polymerase serves as a catalyst in the replication of the DNA, so does the RNA polymerase speed up the formation of the RNA. RNA polymerase performs its function of linking nucleotides when the phosphodiester bonds are formed in the 5' to 3' sequence. Nucleoside triphosphate precursors such as the Adenosine triphosphate, Cytosine triphosphate, and Guanosine triphosphate serve as the substrates that allow the formation of the RNA molecule.
When the RNA polymerase unwinds the double helix structure of the DNA found before the active site where the polymerization will occur, substrates can then pair themselves in a complementary form.
what 2 factors will the selectively permeable cell membrane use to select what can enter or leave the cell? I wrote size but what else?
hydrophobic substances question 13 options: a) can easily diffuse through lipid bilayers b) require transmembrane channels to diffuse through lipid bilayers c) are blocked by the hydrophilic core of a lipid bilayer d) are selectively transported across lipid bilayers.
The correct option is (a). Hydrophobic substances can easily diffuse through lipid bilayers. A lipid bilayer is a double layer of lipids that forms the core of nearly all cell membranes.
Hydrophobic substances can easily diffuse through lipid bilayers. A lipid bilayer is a double layer of lipids that forms the core of nearly all cell membranes. A lipid bilayer consists of two layers of hydrophobic (water-repelling) phospholipids, which face inward and surround a layer of hydrophilic (water-loving) molecules. The membrane is selectively permeable to allow the exchange of specific materials in and out of the cell. Small, uncharged molecules, such as hydrophobic substances, can easily diffuse through the lipid bilayer. Hydrophobic molecules are repelled by water molecules and attracted to lipid molecules, allowing them to diffuse through the membrane. Some examples of hydrophobic molecules that can easily diffuse through lipid bilayers include carbon dioxide and oxygen.
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In the embryonic stage, which of the following develops before other parts of the body?
a) The head
b) The foot
c) The spine
d) The stomach
The head develops before other parts of the body in the embryonic stage. The correct option is a.
During embryonic development, the head is one of the first structures to form before other parts of the body. This early development of the head is a fundamental aspect of vertebrate embryogenesis. The process starts with the formation of the neural tube, which gives rise to the central nervous system, including the brain.
The development of the neural tube occurs early in embryogenesis and serves as a foundation for the subsequent development of other organ systems.
As the neural tube develops, it gives rise to the structures of the head, including the brain, face, and sensory organs. This initial development of the head provides the framework for the formation of other structures and systems in the body, such as the spinal cord, limbs, and internal organs.
While other parts of the body, such as the foot, spine, and stomach, will eventually develop during subsequent stages of embryonic development, the head takes priority in terms of early formation. The correct option is a.
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HELPPPPPPPPPPPP 15 POINTS MARK BRANLIST
Granite is formed when _____. limestone is changed by heat and pressure sediment is cemented with calcite magma cools under the surface of the Earth lava spills onto the Earth's surface and cools
Answer:
Granite is formed when molten magma flows and cools underground.
Explanation:
Granite is an intrusive igneous rock, so it forms underground.
Answer:
Granite is formed when molten magma flows and cools underground.
Explanation:
The igneous rock granite could be pressed below the Earth's surface until it changes into the metamorphic rock gneiss.
The effect of fungicides on bumble bee colonies 1. How many species of Native bees are in North America? 2. What is a fungicide? 3. What is the connection between fungi and bees? 4. What is the researcher investigating? 5. In the experiment, what is the control group? 6. In the experiment, what are the treatments? 7. In the experiment, what is the dependent variable? 8. In the experiment, what is the independent variable? 9. How long was the experiment? 10. What are the conclusions of the experiment? 11. What are the implications of the conclusion? The making the fittest: natural selection and adaptation 1. How did dark-colored rock pocket mice first appear in a population of light- colored rock pocket mice? 2. Can you explain, why do dark-colored rock pocket mice on dark lava flows have white bellies? 3. What are mutations? Are mutations good? 4. How can a majority of a light-colored fur mice population end with 95% of the population of dark-colored fur? 5. What does Dr. Carroll mean when he says, "while mutation is random, natural selection is not"? 6. In the lab, Dr. Nachman examined dark mice from two different populations living hundreds of miles apart. The mice looked nearly identical. Their dark color was caused by two different genes. What does this tell you?
Fungicides are chemical substances used to control or kill fungi. They are a type of pesticide specifically designed to target and eliminate fungal pathogens that can cause diseases in plants, crops, and other organisms.
1. The exact number of native bee species in North America can vary depending on the source and classification systems used. However, it is estimated that there are over 4,000 species of native bees in North America.
2. A fungicide is a type of pesticide that is specifically designed to control or kill fungi. It is used to prevent or treat fungal diseases in plants, crops, and other organisms.
3. Fungi and bees have a connection in terms of their ecological interactions. Fungi play a crucial role in the decomposition of organic matter and nutrient cycling in ecosystems. Bees, including bumble bees, can come into contact with fungi through their habitats and foraging activities. Some fungi can have beneficial or symbiotic relationships with bees, while others can be harmful, causing diseases or negatively impacting bee health.
4. The researcher is investigating the effect of fungicides on bumble bee colonies. The specific focus is on understanding how exposure to fungicides may affect the health and survival of bumble bee colonies.
5. In the experiment, the control group is a group of bumble bee colonies that are not exposed to fungicides. This group serves as a baseline for comparison and allows researchers to assess the impact of fungicides by comparing the treated groups to the untreated control group.
6. In the experiment, the treatments are the different groups of bumble bee colonies that are exposed to varying doses or types of fungicides. These treated groups are compared to the control group to evaluate the effects of fungicide exposure.
7. The dependent variable in the experiment is the health and survival of the bumble bee colonies. Researchers measure factors such as colony size, reproductive success, honey production, and overall colony survival to assess the impact of fungicides on the dependent variable.
8. The independent variable in the experiment is the exposure to fungicides. Researchers manipulate and control the dosage and timing of fungicide application to the treated groups while keeping the control group untreated.
9. The duration of the experiment can vary depending on the specific study design and research objectives. Typically, such experiments may last for several weeks to months to observe the long-term effects of fungicides on bumble bee colonies.
10. The conclusions of the experiment would depend on the specific findings of the study. It could include insights into the effects of fungicides on bumble bee colony health, potential risks to bee populations, or the importance of considering fungicide exposure in bee conservation and management efforts.
11. The implications of the conclusions may vary but could include recommendations for more sustainable pesticide use, considering the potential effects on pollinators, and the importance of further research and monitoring to understand the broader impacts of fungicide use on bee populations and ecosystems.
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What are the four major blood groups?
A: A, B, O and AO
B: AB- O+, AB+, and O-
C: A, B, AB, and O
D:A, B, C, and D
Help plsss
Which of the following sentences are the best short summary for a flashlight?A A flashlight flashlight has has many many uses.uses.A A flashlight flashlight is is able able to to create create light light energy, energy, which which allows allows us us to to see see in in the the dark.dark.A A flashlight flashlight is is a a necessary necessary tool tool for for every every household.household.A A flashlight flashlight is is a a portable, portable, battery-battery-operated operated device device that that makes makes light.light.
Answer:
The last one
Explanation:
Flashlight is a portable, battery-operated device that makes light.
A flashlight is a portable, battery operated device that makes light is the best short summary for a flashlight.
What are the features of flashlight?A flashlight or torch is a portable hand-held electric lamp. Formerly, the light source typically was a miniature incandescent light bulb, but these have been displaced by light-emitting diodes since the mid-2000s.
The three main features for a flashlight are Dimensions, Battery, and Light. Each of these characteristics are very important when it comes to selecting a flashlight.
Flashlights are used as a light source outdoors, in places without permanently installed lighting, during power outages, or when a portable light source is needed.
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6. Your friend is trying to gain some more muscle and has started lifting weights.
You read that muscle structure is primarily built by putting amino acids together through protein synthesis.
What foods should you recommend to your friend, so that they can increase the amount of amino acids in their diet?
1. Identify a food from the selection that they should eat.
2. Explain how you know that food has the macromolecule they need.
Answer:
He should start out doing little amount , any workout his wants but try to hold the weight for 1 min , making sure that he doesn't lift too fast instead he should do them slow and hold it for a while for he can feel the burn in his muscle and with time add the reps and hold it longer
Explanation:
3. Air -suspended particle samples were collected using a High Volume Sampler (HVS) at a rate of one cubic meter per minute for 24 hours. One -quarter (1/4 part) of the particulate filter paper was extracted using an organic solvent and diluted to a level of 10 mL. If the concentration of polycyclic aromatic hydrocarbons (PAHs) recorded in the particle extraction is 0.5 ppb and the concentration of PAHs in the ‘blank’ filter paper is 0.01 ppb. What is the concentration of PAHs in the suspended particles in units of ng m-3? (10 MARKS)
The concentration of PAHs in the suspended particles in units of ng m-3:
concentration = mass/volume = 4.9 × 10-9 g/1440 m3 = 3.4 × 10-12 g m-3 = 3.4 ng m-3
If the concentration of polycyclic aromatic hydrocarbons (PAHs) recorded in the particle extraction is 0.5 ppb, and the concentration of PAHs in the ‘blank’ filter paper is 0.01 ppb, we can calculate the concentration of PAHs in the suspended particles in units of ng m-3.
Concentration of PAHs in extraction = 0.5 ppb
Concentration of PAHs in blank filter = 0.01 ppb
Therefore,
net PAHs concentration = 0.5 - 0.01 = 0.49 ppb = 0.49 μg L-1.
The volume of the sample = 10 mL or 0.01 L. Therefore, the mass of PAHs in the sample is:
mass = concentration × volume = 0.49 μg L-1 × 0.01 L = 4.9 ng = 4.9 × 10-9 g
The sample was collected for 24 hours, and the sampling rate is given as 1 m3 per minute. Therefore, the sampling
volume = 1 m3/minute × 60 minutes/hour × 24 hours = 1440 m3
Therefore, the concentration of PAHs in the suspended particles in units of ng m-3:
concentration = mass/volume = 4.9 × 10-9 g/1440 m3 = 3.4 × 10-12 g m-3 = 3.4 ng m-3
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name six factors which affect the rate of alcoholic fermentation
Answer:
Factors Impacting the Malolactic Fermentation. Several factors impact the initiation and progression of the malolactic fermentation. Temperature, pH, acidity, ethanol, sulfite and availability of nutrients are all important for the growth and metabolic activities of the lactic acid bacteria.
Answer:
1. Temperature
2. pH
3. acidity
4. ethanol
5. sulfite
6. substarte (sugar) concentration
Explanation:
if a vector not have origin of replication result in what
Answer:
What will be the consequence of not having an origin of replication (ori) in the vector? Explanation: In the case ori is absent, the vector won't be able to replicate
Explanation:
As the replication won't take place, only one of the daughter cells would be having the vector. A colony of transformed colonies won't be obtained.
if a vector does not has the origin of replication result in not doing replication as the unit of replication is Ori.
In the case Ori is absent, the vector may not be capable of replicating. As the replication may not take place, the handiest one of the daughter cells might be having the vector. A colony of converted colonies may not be obtained.
What is transgene?
Of these, the maximum usually used vectors are plasmids. Common to all engineered vectors have a foundation of replication, a multi cloning site, and a selectable marker. The vector itself is normally a DNA series that includes an insert (transgene) and a bigger series that serves as the "backbone" of the vector.
Thus it is clear that if a vector does not have an origin of replication result in nonreplicating.
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