301 Best Biology Questions and Answers (Q&A) - ProProfs Discuss

What does ionotropic & metabotropic mean?

Janelle Powers
Answered: Feb 09, 2018

Ionotropic receptors are transmembrane molecules that can open or close a channel that would allow smaller particles to come in or out of a cell. The name gives this clue, but an...Read More

2 Answers

247 views

What are the stages of the production of monoclonal antibodies?

John Smith
Answered: Apr 26, 2024

Injection of antigen isolation of B-cell fusion between B-cell
and tumour cell resulting in...Read More

2 Answers

247 views

What do aerobic and anaerobic respiration have in common?

Scor
Answered: Apr 26, 2024

They both involve glycolysis, the citric acid cycle and the electron transport chain

1 Answer

247 views

How many kingdoms are there in the most current tree of life?

J. Alfie, Content Writer
Answered: Feb 03, 2021

There may be some changes with the tree of life but right now, the current tree of life comes with five kingdoms. This means that the different living organisms that we can find in the world...Read More

1 Answer

247 views

What is the meaning of diffusion?

John Smith
Answered: Apr 26, 2024

Na+ ions diffuse in; K+ ions diffuse out;
inside becomes more positive i nside...Read More

2 Answers

244 views

What animal builds lodges, dams up rivers and has large front teeth for gnawing?

Robert Hazlewood, Senior Executive
Answered: May 23, 2019

Beavers are the builders within the animal kingdom, and they have massive chisel-shaped teeth, which allow them to cut and peel wood branches. Also, their teeth have an outer orange coating,...Read More

2 Answers

244 views

What is a cool new discovery that scientists didn't know about last year?

H. George, Copywriter
Answered: Mar 20, 2018

Until recently, scientists did not know of a close vertebrate analogue to the extreme form of altruism observed in eusocial insects like ants and bees, whereby individuals cooperate, sometimes...Read More

1 Answer

242 views

Why is it possible that someone can get pregnant even after using contraceptives?

Matz Lewis Clark, College student
Answered: Dec 10, 2018

Contraceptives are not exactly fool-proof. There is still a chance that contraceptives will fail and women will still get pregnant. Some women get pregnant because they have forgotten to take the...Read More

1 Answer

242 views

Is marriage necessary for a woman to conceive a baby?

Robert Hazlewood, Senior Executive
Answered: Dec 10, 2018

Some women are not married but they are able to conceive a child immediately. There are also some women who have been married for a long time but they have never gotten pregnant. Some women are...Read More

1 Answer

242 views

What process is shown below?

Akparker
Answered: Apr 26, 2024

Dehydration synthesis

1 Answer

242 views

How would you define the term Spontaneous Generation?

John Smith
Answered: Apr 26, 2024

The supposed development of living organisms from nonliving matter. Redi designed an experiment to determine what caused the sudden appearance of maggots. In his experiment, the manipulated...Read More

1 Answer

241 views

What nutrient do girls need more of than boys when they are growing?

Orion thames
Answered: Apr 26, 2024

Iron

1 Answer

240 views

Which one is a peptide bond?

T. Moore, Writer
Answered: Jan 03, 2019

The peptide bond is known to be a chemical bond that is formed between two molecules. Usually, the carboxyl group will have a reaction with the amino group of another molecule. This will he...Read More

2 Answers

239 views

What are spores?

W. Kaye, Ex-Marine
Answered: Jan 29, 2021

In biology, a spore is a component of sexual or asexual reproduction adjusted for dispersal and survival. Often for long periods, in negative conditions. Spores form a component of the life...Read More

4 Answers

237 views

What is the mechanism of action of corticotropin?

Laurie hayward
Answered: Jul 11, 2020

Exerts broad regulatory control over the adrenal cortex

1 Answer

237 views

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