Species A : 2N = 24, N = 12
Species B : 2n = 26, n = 13
During the hybridization N + n = 25
2. Which specific cytoskeletal element is most susceptible to mitotic inhibitors?
Answer:
microtubules
Explanation:
Microtubules specific cytoskeletal element is most susceptible to mitotic inhibitors.
What is Microtubules?The third main component of the cytoskeleton, microtubules, are hard, hollow rods with a diameter of around 25 nm. Microtubules are dynamic structures that constantly assemble and disassemble within the cell, similar to actin filaments.
They have a role in a number of cell motions, including as some types of cell motility, the intracellular movement of organelles, and the division of the chromosomes during mitosis, in addition to determining the shape of the cell.
Microtubules, which typically consist of 13 linear protofilaments arranged around a hollow core, are created when tubulin dimers polymerize to generate them. The head-to-tail arrays of tubulin dimers that make up the protofilaments are organized in parallel.
Therefore, Microtubules specific cytoskeletal element is most susceptible to mitotic inhibitors.
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How has aids affected the people in Nairobi
Answer:
the greatest effect has been economical as large percentage of individuals are falling ill, hence nobody is working also the health system has been compromised as the high percentage of hiv/aids patients arent allowing for other people to seek madicle assistance
Explanation:
Around ten percent of the adult population of these slums are HIV positive – making them one Kenya's most HIV affected areas. Poor living conditions, extreme poverty as well as a lack of education are main reasons for the spread of HIV/AIDS in the slums of Kenyan capital.
Answer:
HIV mortality in urban slums of Nairobi, Kenya 2003–2010: a period effect analysis;
The global HIV epidemic is one of the worst to affect humanity over the last century [1]. Sub-Saharan Africa (SSA) has borne the brunt of this epidemic where HIV/AIDS has been the leading cause of death in the last decade −1.8 million deaths occurred in the subcontinent from HIV/AIDS in 2010 alone [2].
Explanation:
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1. How did the reactionary conservatism during the 1920s manifest itself
in social life and governmental policies?
The reactionary conservatism during the 1920s manifested itself in social life and governmental policies through:
Undesirable activities like alcoholismReactionary conservatism is an ideology which has to do with the response to policies which a group of people consider extreme so that it can be changed or amended to something more acceptable to them
As a result of this, there were undesirable activities such as a turn to excess drinking and other societal things which are frowned upon, as their reactions to extreme policies.
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Consider the global 'Greenhouse Effect", where thermal energy from the sun is naturally trapped by 'greenhouse gases' present within the Earth's atmosphere. A majority of heat generated from this process is then absorbed by the world's oceans, where it is sequestered and stored. What are some of the predictable consequences recently observed over the past 40-50 years with the observed rise in Global Mean Temperature, correlate with an increase in greenhouse gas emissions from burning of fossil fuels across that same period?
a. retreat of winter and summer sea ice, decreasing the amount of solar energy directly absorbed into the oceans
b. warming of deep ocean water and increased evaporation at the surface
c. warming of oceanic surface temperatures, driving the formation of more powerful hurricanes & rainstorms
d. thermal expansion of oceanic water, leading to mean global sea level rise
e. melting of Himalayan glaciers and collapse of Antarctic ice shelves into the sea
Answer: it would be C e is correct however but that’s already happened. So that wouldn’t be much of a prediction. Hope this helped :)
Explanation:
Thermal expansion of oceanic water leads to a main global sea level rise. So the correct option is D.
What is the greenhouse effect?
Because it absorbs heat in the form of infrared light from the Sun, a greenhouse gas circulates that heat throughout the atmosphere before losing it to space. Although it has a considerably smaller impact on global temperatures, greenhouse gases also speed up the pace at which the environment can collect short-wave radiation emitted by the Sun.
More heat from the Sun is being trapped in our atmosphere thanks to the accumulation of CO2 that is emitted after the combustion of fossil fuels. Human-made acts are referred to as anthropogenic actions, and the emission of CO2 is one such anthropogenic activity that adds to the current heightened greenhouse effect.
A greenhouse gas's contribution to the greenhouse effect is determined by how much energy it absorbs, how much it reflects back, and how much of it is present in the atmosphere.
Therefore the correct option is D.
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What is the answer for this question
What happened to the color of peppered moths after govermental regulations were put in place to decrease air pollution?
A. moths that were lighter in color became more fit over time
B. moths became lighter during their lifetime and passed on the alleles for lighter color to their offspring
C. moths became darker during their lifetime and passed on the alleles for darker color to their offspring
D. moths that were darker in color became more fit over time
Answer:
A
Explanation:
While B seems to be correct, it is A because evoulution requires time and a moth would not have undergone such dramatic phenotypic change in its lifetime.
What does the term temperature control refer to
Answer:
the term temperature control refers to Thermostats .....
A device called a temperature controller is used to maintain a target temperature at a given level. The typical thermostat seen in homes is the most basic type of temperature controller.
What are the biological temperature control factors?
The hypothalamus, a region of the brain, controls our body's core temperature. The hypothalamus measures our body's temperature and compares it to the average temperature, which is around 37 degrees Celsius.
The hypothalamus ensures that the body produces and maintains heat if our body temperature falls too low.
Progesterone tends to encourage heat conservation and higher body temperatures, whereas estradiol tends to increase heat dissipation.
Therefore, a thermostat seen in homes is the most basic type of temperature controller.
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Which term names a property or mineral
Answer: Streak
Explanation: For k12 Science Unit 2 test
4.
What do living things use the ATP, that is produced during Cellular Respiration, for?
Answer:
Cellular respiration is a process that all living things use to convert glucose into energy. Autotrophs (like plants) produce glucose during photosynthesis.
Explanation:
hope it helps you
why do stem get modified give any three examples and explain how this notification help the plant
Answer:
underground stem -- for storage of food ex. potato , ginger.
spines for protection ex. citrus , bougainvillea
Explanation:
Rhizomes and corms are underground stems, modified for the storage of food. Also, these stems help in vegetative reproduction of these plants. The tips of the underground stem in potato plants become swollen due to the accumulation of food. The potato is a tuber that helps in the storage of food and bears eyes on it.
Which of the following is the characteristic of both weathering and erosion
Answer: It occurs naturally
You've been tasked to study the movements of condensed chromosomes during cell division.
You have access to a magnifying glass, a standard light microscope, a scanning electron
microscope and a transmission electron microscope. Which piece of equipment would you choose
and why? Also why would you NOT choose the others? (max 50 words)
In order to see something as small as a chromosome, It is necessary to employ the use of a scanning electron microscope.
The question states that we wish to study the movements of condensed chromosomes during cellular division. This means that we will need a scope capable of not only looking inside of a cell but even inside of the nucleus of a cell, an extremely minute space.
Logically, a magnifying glass will not be able to accomplish this given that it only allows us to see macroscopic elements, many hundreds of times bigger than what we wish to observe. We run into similar limitations with standard light and transmission microscopes. Although these allow us to see things on a microscopic level, they fall short of the desired capability.
Though the transmission microscope can see even smaller elements than a standard light microscope, both are limited to the surface of cells. The SEM or scanning electron microscope, on the other hand, allows the user to see elements down to 0.1 nanometers in size. Given that chromosomes are between 10 and 30 nanometers in size, we can use this microscope for the desired study.
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Changing the structure of the transmembrane domain in the MC4R receptor, which would result in:
A. an increase in MC4R signalling
B. an elongated C-terminal
C. an inability for the receptor to be embedded in the cell membrane correctly.
D. an overexpression of MC4R at the cell membrane
Answer:
Answer is C
Explanation:
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How would you identify a floodplain that has not been immersed for a long time?
Answer:
Floodplains are identified as zones on FEMA Flood Insurance Rate Maps (FIRMs). Flood zones are defined by type, depth, and frequency of flooding. But the shape and nature of a floodplain may also change over time as the main channel of a river naturally migrates through erosion and accretion, impacting how and where excess water may first over top the banks of the river during a flood event. Geologically ancient floodplains are often represented in the landscape by fluvial terraces. These are old floodplains that remain relatively high above the present floodplain and indicate former courses of a stream. I HOPE THIS HELPS YOU :)
Explanation:
The geology of a floodplain the natural development of floodplains is primarily influenced by two processes: aggradation and erosion which help to identify that it has not been immersed for a long time.
What do we should know about floodplain ?
The flood fringe extends beyond the floodway. From the floodway's outer banks to a river valley's bluff lines, the flood fringe extends. The point at which the valley floor begins to rise into bluffs is marked by bluff lines, which are also known as valley walls.A generally flat area of land adjacent to a river or stream is known as a floodplain. It extends from the riverbanks to the valley's outermost edges. There are two components to a floodplain. The floodway, which is the river's primary channel, is the first. The channel may be dry for a portion of the year in floodways, which can sometimes be seasonal.The process by which earth is worn away by the movement of a floodway is referred to as the erosion of a floodplain. The term "aggradation" of a floodplain refers to the process by which earthen material expands as sediment is deposited by the floodway. A floodplain is eroded by a river as it meanders or curves.Floodplains are frequently made up of features like oxbow lakes and seasonal wetlands. These features are the result of erosion and deposition.A floodplain's erosion and aggradation, or accumulation of land elevation, may be exacerbated by a meandering stream. A river that is wide, shallow, and braided is a typical aggradation environment. River deltas, where the main floodway is divided into discrete channels and tiny islands, are frequently found in braided rivers.To know more about floodplains check this:
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Which is a carbohydrate monomer?
glucose
sucrose
glucagon
glycogen
The answer to this question would be Glucose.
Dr. Schweitzer found structures identical to modern red blood cells and blood vessels inside the bone. Which organ system do blood cells and blood vessels belong to? A. circulatory system B. nervous system C. respiratory system D. skeletal system
Answer:
A. Circulatory system
Explanation:
Circulatory system consist of heart,blood cells&blood vessels
2
What are the three main things that bacteria need to survive?
ОА
food, water, oxygen
Ов.
dirt, space, heat
Ос.
ice, incubation, oil
OD
fat, liquid, nitrogen
The three main things that bacteria need to survive are dirt, space and heat. Thus option B is correct.
What are bacteria?Bacteria are defined as a creatures without a proper nucleus and only a few organelles that are prokaryotic unicellular organisms.
It can also be defined as the creatures with simpler cells than many others, such as bacteria.
There are five types of bacteria classified on the basis of there shapes.
Spherical shape (Cocci)Rod (bacilli)Spiral (spirilla)Comma (vibrio's) Corkscrew (spirochetes)Three distinguishing characteristics of bacteria are:
Their lack of membrane-bound organelles, Their unicellularity, Their small (often microscopic) size.Not all prokaryotes are bacteria; others are archaea, which, despite sharing some physical characteristics with bacteria, are unrelated to bacteria in origin.
Thus, the three main things that bacteria need to survive are dirt, space and heat. Thus option B is correct.
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Mollusks, frogs, sea urchins, and bees can all be classified into which group?
bilateria
protostomes
parazoa
deuterostomes
How humans have contributed to the extinction of plant or animal species?
Answer:
Humans have a big impact on the extinction of animals. Some things that humans do that effect extinction include: Poaching is when someone illegally hunts or catches animals. Some animals that are commonly poached are elephants and rhinos for their tusks.
Explanation:
Prokaryotic cells lack which of the following?
Answer:
Prokaryotic cells lack a nucleus and other organelles
Explanation:
What is the name of the process That forms to DNA molecules from 1? Lol help plz (UwU)
Answer:
Replication
Explanation:
Think its correct
please help i dont know how to do this at all I need to do it within 1 hour will give brainliest.
Answer:
?
Explanation:
Answer:
Well you just have to place one next to the other in that same order
Explanation:
PLEASE HELP WITH THIS ONE QUESTION
Answer:
one negative one positive feedback loop
What is the most complex level of organization in living things
Answer:
the biosphere
Explanation:
The highest level of organization for living things is the biosphere; it encompasses all other levels. The biological levels of organization of living things arranged from the simplest to most complex are: organelle, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystem, and biosphere.
Who is more closely related, lizards of the same ecomorph, or lizards that live on the same island?
Answer:
The DNA evidence suggests that species from the same island are more closely related than are species from the same ectomorph group.
Explanation:
This finding supports the hypothesis that most of the lizards on each island evolved independently, in a process of convergent evolution, although there are exceptions.
which of these is an effect of an algal bloom
Answer:
An increase growth in microorganisms results in oxygen depletion
Explanation:
The growth of algal bloom is caused due to excessive runoff rich in the nutrients like nitrogen and phosphorous. This run off comes from the agricultural field.
These nutrients aids in the growth of the algae(microorganisms) in large number. This growth forms a layer on the water body and use the oxygen present in the water and makes the water oxygen deficient.
If molecules are small enough then
sorry what this means¯\_(ツ)_/¯
Through which plants and animals obtain the nitrogen they need ?
Answer:
Plants take up nitrogen compounds through their roots. Animals obtain these compounds when they eat the plants. When plants and animals die or when animals excrete wastes, the nitrogen compounds in the organic matter re-enter the soil where they are broken down by microorganisms, known as decomposers
Explanation:
What are worn out tissues
Answer:
Humans require food substances to supply the components necessary to build tissues, to repair tissues as they wear out and die, to keep the body in good working condition, and to supply fuel for energy. For good nutrition a person should eat a well-balanced diet, that is, one that provides an adequate amount of each of the classes of nutrients each day.
Explanation:
Which of the following is an example of how electrical energy can be generated?
Answer:
C I guess..
Explanation:
becuse water currents are used to generate electricity...
Wind turning a tightly wound coil inside a magnet is an example of how electrical energy can be generated.
What is an example of electrical energy?As the charges that cause the energy are moving, electrical energy is a form of kinetic energy. Lightning, batteries, and even electric eels are examples of electrical energy in action.
What can generate electrical energy?Most electricity is generated with steam turbines using fossil fuels, nuclear, biomass, geothermal, and solar thermal energy. Other major electricity generation technologies include gas turbines, hydro turbines, wind turbines, and solar photovoltaics.
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