4,064 Answered Questions for the topic biology

Biology

09/15/20

EMERGENCY HELP PLEASE

1)Shanti is a lab assistant. Her main focus is to develop a treatment for HIV/AIDS. Shanti is a(n) ________A) applied research scientistB) basic research scientistC) geneticist2) Which stage of the... more
Biology

09/14/20

Quick Biology Multiple Choice

1. What is homeostasis? a. The process in which internal conditions are kept within a tolerable range b. The process in which the internal conditions are kept constant c. The process in which the... more
Biology

09/12/20

describe how the different parts of the biosphere are related

Biology

09/12/20

Is a bat a niche or a organism?

Biology

09/12/20

Is a bat a niche or a organism?

Biology

09/10/20

A bacterium is unable to regulate the amount of water it absorbs. What structure of the cell is not functioning properly?

hello, i am sorry to bother, but i am currently taking a test and am epic-ly failing at it, lol. this is the question I have struggled with the most so far!
Biology

09/10/20

Read the following scenario. What is the independent variable? What is the dependent variable?

A student conducted an experiment to determine if the amount of water added to a plant affected its growth. Amount of water added was measured in mL per day and plant growth was measured in cm.
Biology

09/10/20

(Question in description) Explain why choice G is the correct answer?

Enzymes are proteins that have a three-dimensional shape that is specific to a particular substrate. Environmental conditions can change the shape of the protein. What is the most likely result if... more
Biology

09/10/20

(Question in description) Explain why B, Proteins and carbohydrates, is the correct answer and explain why A , Carbohydrates and lipids, is incorrect. Discuss functions of the organic compounds.

An advertisement for a health supplement for dogs claims to build lean muscle and strengthen tendons and ligaments, as well as provided energy. Which two biomolecules mus the supplement contain to... more

09/09/20

Is there an enzyme that functions without being associated with a complex?

I'm looking for an enzyme that does not function as part of a complex in its active state. Preferably it also is not part of a kinase or other kind of activating cascade as well though I would... more

09/08/20

What conclusion(s) can be made if one knows that allele frequencies stay the same from one generation to the next?

A. Evolution has occurred.B. Natural selection has occurred.C. The modern synthesis has occurred.D. All of the above.E. None of the above.

09/08/20

Darwin had difficulty explaining how populations could maintain sufficient levels of variation since most people living at the time he proposed his theory

A. were not willing to accept evolution.B. had not been to South America.C. could not perform the mathematics required for population genetics.D. thought that inheritance occurred through... more

09/08/20

The Modern Synthesis

A. can finally be completed once human genes are completely mapped.B. refers to the combining of Mendel's work with a modern understanding of genetics.C. refers to the combining of Darwinian and... more

09/08/20

Traits like height in humans show continuous variation. How is this possible?

A. The trait is probably influenced by many genes.B. Hidden variation contributes to variation in height.C. The environment can influence traits.D. (a) and (b) above.E. (a) and (c) above.
Biology

09/06/20

Which of the following RNA sequences would be transcribed from the DNA sequence ATGCCTAGGAC?

The multiple choices for this question are: TACGGATCCTG UAGCGAUCCUG AUGCCUAGGAC GUCCUAGGCAU GCAUUCGAAGU (I copied the question exactly as it is.)(I picked choice 2 because it is the closest to what... more
Biology

09/04/20

What is inside the earth?

A research company wants to drill through the Earths crust to the mantle. The drilling rig can reach down only 6 km. Where was you set up the drilling rig to drill into the mantle? Why?
Biology

09/04/20

Rough Endoplasmic Reticulum

Hi! I am creating a speed profile for the Rough ER and need some ideas.I need a Trendy hashtag, a theme song, and a pick up lineall for the rough endoplasmic reticulum.

09/04/20

Sulfur bacteria

Hi!I have learned that sulfur bacteria are a type of chemoautotrophic bacteria.So they take hydrogen sulfide and transform it to sulfate? Is that it? Is there any chemical reaction for it?I would... more

09/02/20

Biology disinfectant Question

Which of the following is considered a high level disinfectant that would inactivate biological spores?A. 95% ethanolB. Quaternary ammonium disinfectantC. 10% household bleach in water soluntionD.... more
Biology Chemistry Nursing

09/02/20

Which of the following is considered a high level disinfectant that would inactivate biological spores?

Which of the following is considered a high level disinfectant that would inactivate biological spores?A. 95% ethanolB. Quaternary ammonium disinfectantC. 10% household bleach in water soluntionD.... more
Biology Chemistry Nursing

09/02/20

Which of the following is considered a high level disinfectant that would inactivate biological spores?

Which of the following is considered a high level disinfectant that would inactivate biological spores?A. 95% ethanolB. Quaternary ammonium disinfectantC. 10% household bleach in water soluntionD.... more

09/01/20

general psychology

The brain recovers from some injuries by allowing some areas to compensate for the damaged area. What is this process called?

09/01/20

General Pyschology

what are cells that specialize in communication electrical and chemical forms ?
Biology

09/01/20

Describe a situation in which it might be appropriate for a biologist to use only species richness as a measure of biodiversity.

I'm just having trouble grasping this concept. 2.Describe a situation in which it might be more appropriate for a biologist to use a biodiversity index that incorporates both species richness and... more

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