Biology College

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Answers

Answer 1
d
atoms 6
molecule 2
elements 2
compounds 2

Related Questions

Ecologists are interested in quantifying different kinds of biodiversity. In below study outlined here, which kind of biodiversity are ecologists studying?

Ecologists establish 20 small areas, called plots, randomly scattered across a California grassland. They count the number of different plant species present in each plot. By noting how many species appear in the plots, the ecologists are able to estimate the number of species in the entire grassland.

a. Genetic diversity
b. Functional diversity
c. Ecosystem diversity
d. Species diversity

Answers

Answer:

d. Species diversity

Explanation:

The species diversity can be measured by:

Species richness: Refers to the number of species are inhabiting a defined area. Species abundance: Describe the distribution of the species abundance.

Species richness is the number of species present in a sample, within a community, habitat or microhabitat, ecosystem, landscape, region or any well-defined spatial unit. It is a metric for measuring biodiversity which simplicity and easy interpretation make it a standard metric.  It is the simplest and straightforward measure of biodiversity. It is just a count of species, with no need for abundance data. In some cases, this can be the cause of criticism, as it ignores information about the species-abundance distribution.    

Earth's atmosphere is made of different gases that can affect the Earth's Climate in different ways
True/False
Explain in full details.

Answers

Answer:

True. The atmosphere protects life on earth by shielding it from incoming ultraviolet (UV) radiation, keeping the planet warm through insulation, and preventing extremes between day and night temperatures.Greenhouse gases, such as carbon dioxide, methane, nitrous oxide, and certain synthetic chemicals, trap some of the Earth's outgoing energy, thus retaining heat in the atmosphere.

The statement is true.

Effect of atmosphere on climate

Atmosphere of earth contains oxygen which we use for breathing. The gases present in the atmosphere such as ozone protects us from harmful ultraviolet solar radiation.

It creates the pressure without which liquid water couldn't exist on our planet's surface. The greenhouse gases warms our planet and keeps temperatures habitable for our living Earth.

Learn more about climate here:https://brainly.com/question/17922964

Match the answer with the statement about promoters and enhancers. Group of answer choices Responsible for regulating translation. [ Choose ] Transcription machinery does not assemble at _______________.

Answers

Answer:

Neither

Chromatin

Explanation:

Both promoters and enhancers are generally regulating transcription. They are not regulating in translation. They are not responsible for regulation in translation.  

Transcription machinery assemble at naked eukaryotic DNA. They do not assemble at DNA chromatin.

13. Which kingdom is known as a decomposer? A. Fungi B. Plantae C. Protista D. Animalia Dentisthenia​

Answers

Answer:

fungi

Explanation:

.......................

Answer:

I think it's D

Explanation:

Have a Nice Day

An electric current is generated when a coil of wire passes through a magnetic
field. A device for detecting this current is a
1 generator
2 turbine
3 calorimeter
4 galvanometer​

Answers

Answer: Galvanometer

What is food hygeine​

Answers

Answer:

Food hygiene is an essential aspect of food safety. It refers to the processes that directly involve food – including storage, preparation, and cooking. Good practices in these areas ensure that people receive food that's safe and as described.

Alleles are described as ____________________. homologous chromosomes homologous chromosomes alternate versions of a gene alternate versions of a gene alternate phenotypes alternate phenotypes environmental factors that affect gene expression

Answers

Answer:

The correct answer is - alternate versions of a gene.

Explanation:

In a cell, if there are two copies of each chromosome, these are called homologous chromosomes, one come from the father and the other comes from the mother, which helps in promoting the variety and stability of a species.

Different or alternate versions of genes are possible that can result in two phenotypes for the same trait, these alternate versions called alleles. Alleles can be dominant and recessive.

Name the structures of the central nervous system and the peripheral nervous system and describe their functions.

Answers

spinal cord, cranial nerves, white and gray matter, brain, brainstem
.
you can find a very detailed answer on wikipedia which will earn you marks.

Identify the complementary strand of DNA with the sequence: ACC GTA TCG

1.) GTT ACG CTA
2.) ACC GTA TCG
3.) CAA TGC GAT
4.) TGG CAT AGC

Answers

Answer:

4

Explanation:

because it's there opposite letter

Answer:

4 b.c a is equal with t and g is equal to c

Albinism is an autosomal recessive condition. Which circle graph shows the genotype probability when an albino female mates with a male that is heterozygous for the albinism trait?​

Answers

first circle- aa/Aa

hope this helped!

which of the following elements is most likely to be the least reactive?
A. a group of 2 element
B. a group of 17 element
C an element with 1 valence electron
D an element with 8 valence electrons

Please help1!1

Answers

Answer:

D

Explanation:

8 valence electrons means it is stable, so it will not need to lose or gain electrons

Please explain how shade-adapted plants tend to differ from sun-adapted plants, using the terms: specific leaf area, dark respiration, root mass fraction, leaf lifespan.

Answers

Answer:

Thickness and number of chlorophyll.

Explanation:

Shade-adapted plants differ from sun-adapted plants due to many characteristics such as thickness and number of chlorophyll. Sun leaves are more in thickness than shade leaves because they develop longer palisade cells. Shade leaves generally have more chlorophyll as compared to sun-adapted plants. Specific leaf area and root mass fraction of Shade-adapted plants are higher as compared sun-adapted plants due to large number of chlorophyll to harvest more sunlight for photosynthesis. Dark respiration is higher in sun-adapted plants when there is darkness as compared to shade-adapted plants which produce food in no direct sunlight.


What is an element/compound that is
cycled through ecosystem?

Answers

Answer:

Nitrogen, carbon, and phosphorus are just a few

Explanation:

What does the flagella do in a euglenoid?

Answers

Answer:

Euglena move by a flagellum (plural ‚ flagella), which is a long whip-like structure that acts like a little motor. The flagellum is located on the anterior (front) end, and twirls in such a way as to pull the cell through the water. It is attached at an inward pocket called the reservoir.

PLS HELP ME

Which type of reproduction provides organisms with the following disadvantages? Organisms must grow until mature enough to produce sex cells. Finding a mate uses energy and takes time.

A. Asexual Reproduction

B.Sexual Reproduction​

Answers

Answer:

Sexual Reproduction is the answer

5 The systolic blood pressure reading of 140-159 the systolic blood pressure reading of 140 - 159 is what stage of Hypertension?
A Stage 2
B Stage 1
C Stage 3
D High Normal

Answers

Answer:

B. Stage 1

Explanation:

Systolic blood pressure is less than 120 mm Hg and Diastolic less than 80 mm Hg so it is considered as normal. Pre-Hypertension occurs when the Systolic blood pressure is 120 - 139 and Diastolic pressure is 80 - 89. Stage 1 Hypertension is considered when the Systolic blood pressure is 140 - 159 and Diastolic blood pressure is 90- 99. If the Systolic blood pressure is greater than 160 it is considered as Stage 2 Hypertension.

What is the main protein in bone

Answers

Answer:

Collagen

Explanation:

wood burning
cooking an egg
making Kool Aid
water boiling
copper plating a nail
melting sand to make glass

are these chemical or physical changes​

Answers

These are physical change examples

What adaptations do desert animals have that help them survive the hot dry desert?

Answers

Answer:

animals also have to cope i the desert, using adaptations such as being nocturnal or living under ground to survive. camels often live in deserts that are hot and dry during the day, coping with wind-blown sand and cold at night. slit-like nostrils and two rowa of eyelashes to help keep the sand out of their eyes.

State how a gas produced by photosynthesis is recycled in nature

Answers

Answer:

Oxygen cycle, oxygen the by product of photosynthesis is inhaled by heterotrophs which aids in cellular respiration and other internal processes and then exhales carbon dioxide.

Explanation:

In like manner, carbon dioxide passes from blood to the alveoli and exhaled after.

Most food chains end with a top predator. Which of these is the BEST definition of a top predator?

Answers

Answer:

Top predator is a predator at the top of a food chain without natural predators.

Answer:

Hello There!!

Explanation:

A top predator is a predator which is at the top of the food chain and eats other consumers.

hope this helps,have a great day!!

~Pinky~

Which statement correctly identifies the types of macromolecules that are described?

Answers

Answer:

macromolecules are the molecules that we can not see by the eye

Explanation:

What should I do more, that's all I know about macromolecules

What is the relationship between DNA, a gene, and a chromosome?

A. A chromosome contains hundreds of genes, which are composed of DNA

B. A chromosome contains hundreds of genes, which are composed of protein

C. A gene contains hundreds of chromosomes, which are composed of protein

D. A gene contains hundreds of chromosomes, which are composed of DNA​

Answers

Answer:

It is letter A, a chromosome contains hundreds of Gene's, which are composed of DNA.

All of these children (including the fraternal twin sisters in the front row)
are the biological children of the two parents in the middle of the picture.
Based on everything that you have learned in this unit, explain why these
brothers and sisters do not look exactly alike. Include the processes of cell
division and the rules of genetics in your answer.

Answers

Answer:

Explanation:

Because in the fetus stages of fraternal twins two different eggs get fertilized. Therefore, genetics won't be the same for both twins. But if they were identical twins the fertilized egg was to divide and the two zygotes would've carried the same genetics of each other.

Recessive traits are

A.Traits that everyone wants

B. Traits that are shown over other traits

C. Traits that are hidden by other traits

D. Traits that no one wants​

Answers

b traits that are shown over other traits

cardiovascular anatomy describe the operation of the heart and vessels. true\false​

Answers

Explanation:

true

I hope this helps u

//^

Answer:

susieiwiiuw7wuwiwiwiwususususu

There was a study made in a UK forest in where it was calculated the population of red squirrels and grey squirrels. There was a clear competition and by the end of the study, there were only grey squirrels. How the decline of the red squirrel population might affect its native ecosystem??

Answers

Answer:

Predators might die out

Explanation:

Since grey squirrels can Camouflage... predators may not eat because the red squirrels die out. And grey squirrels may reproduce more because there is no competition anymore.

The budding of clathrin-coated vesicles from eukaryotic plasma membrane fragments can be observed when adaptations, clathrin, and dynamin-GTP are added to the membrane preparation. What would you observe if you omitted (A) adaptations, (B) clathrin, or (C) dynamin

Answers

Answer:

Explanation:

Adaptins:

Adaptor proteins, which attach the clathrin to the membrane, are required for clathrin-coated vesicles to form. Clathrin cages form in solution at strong clathrin concentrations and under the right ionic environments and parameters, but they are empty hollow shells without membranes or other proteins. The data for clathrin baskets are included in the clathrin molecules themselves, as shown by the self-assembly of clathrin into baskets. Clathrin coat cannot form or build up without adjusting to the membrane it is attached to.

Clathrin:

Adaptins bind and act synergistically to specific receptors without clathrin, but no vesicles or clathrin are formed. There exists coated pits formations, but no clathrin coat.

Dynamin:

Clathrin-coated pits can develop and progress toward vesicle formation in the exclusion of dynamin, but the final step, known as membrane fusion, is inhibited. Consequently, in the exclusion of dynamin, strongly invaginated covered pits will be noticed. As a result, vesicles are unable to pinch the membrane.

Suppose plasma membrane fragments were prokaryotic cells, there would be no endocytosis and hence no adaptin or coatings. Endocytosis is not performed by prokaryotic cells. There are no receptors with adequate cytosolic tails in a prokaryotic cell that might facilitate the binding to adaptor proteins. As a result. no clathrin-coated vesicles will develop.

Which statement about the cells of organisms is accurate?

A. plants are unicellular organisms that have specialized function
B. all organisms are multicellular and carry out similar functions of life
C. The single cell of a unicellular organism carries out all functions of life
D. The single cell of a unicellular organism can have specialized functions

Answers

Answer:

B

Explanation:

Plants, fungi, and animals are multicellular organisms, so the answer is B.

Answer:

B

Explanation:

1. identify the organelle that regulates cell function and contains the dna

A. Nucleus

B. mitochondria

C. golgi apparatus

D. cell membrane
​

Answers

Answer:

the organelle that regulates cell function and contains the DNA is a nucleus

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