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

What are nitrogenous bases of the purine type?

Samantha Stewart, Philanthropist
Answered: Feb 18, 2021

The correct answer to this question is guanine and adenine. The hydrolysis of nucleotides produces two types of nitrogenous bases; purine and pyrimidine. While adenine and guanine are nitrogenous...Read More

6 Answers

636 views

Which chromosomal alterations would you expect to have the most drastic consequences?

C. Perez, Writer
Answered: Feb 19, 2021

The correct answer to this question is deletion. This type of chromosomal alteration has the most drastic consequences. When chromosomes are altered, it causes what is known as a structural...Read More

5 Answers

636 views

What are the types of cytoskeletal fiber?

K. Myers, Blogger
Answered: Feb 10, 2021

"The cytoskeleton is the cellular organelle present in the cytoplasm. It is a complex network of structures with varying sizes. Cytoskeleton gives shape to the cell and also provides support to...Read More

2 Answers

630 views

What is true of urea?

Samantha Stewart, Philanthropist
Answered: Feb 18, 2021

The correct answer to this question is that "urea is the primary nitrogenous waste product of humans." Just like other mammals, humans are considered the primary producers of urea. In fact,...Read More

6 Answers

629 views

What term is used to describe the transfer of free energy from catabolic pathways to anabolic pathways?

S. Hughes
Answered: Feb 12, 2021

The term that describes the transfer of free energy from catabolic pathways to anabolic pathways is known as energy coupling. It is important to note that chemical reactions behave in different...Read More

6 Answers

629 views

How does hydrogen bonding help in forming water?

S. Hughes
Answered: Feb 12, 2021

Hydrogen bonds are forces of attraction that form between hydrogen atoms and a highly electronegative atom such as fluorine, oxygen, and nitrogen. In the case of water, the hydrogen bond forms an...Read More

5 Answers

627 views

What is the difference between reactants and products?

C. Block, English Professor
Answered: Apr 10, 2019

There are many differences between reactants and products. A reactant is the process of one chemical substance turning into another chemical substance. They are broken down during reactions and...Read More

1 Answer

624 views

What connects flower buds to the stem?

W. Wright, Biology student
Answered: Feb 18, 2021

Most plants grow in such that the stem is being held by the root in the ground, then the stem holds the upper parts of the plants, such as the leaves, flowers, and probably fruits. However, there...Read More

4 Answers

616 views

Can you name these components correctly?

John Smith
Answered: Apr 19, 2024

A – Nucleolus; B – Chromatin; C – Nuclear membrane; D – Nucleoplasm

1 Answer

614 views

What is circulatory system?

Samantha Stewart, Philanthropist
Answered: Feb 18, 2021

The correct answer is "Circulatory system transports materials for energy release in body cells." The circulatory system of the body allows the cells to get the oxygen and nutrients needed for...Read More

6 Answers

607 views

What are organisms that feed on dead organic matter called?

K. Myers, Blogger
Answered: Feb 10, 2021

Saprotrophs are organisms that feed on dead organic matter. Saprotrophic organism includes bacterial and fungal, they are involving in critical decomposition and nutrient cycling. There are some...Read More

2 Answers

585 views

Which means of particle transport requires input of energy from the cell?

Samantha Stewart, Philanthropist
Answered: Feb 18, 2021

The correct answer to this question is active transport. This process requires the movement of substances from a region of low concentration to a region of high concentration. In other words,...Read More

6 Answers

582 views

What is Pyruvate molecule?

M. Kennedy, Web Content Writer
Answered: Feb 12, 2021

One thing that is true about the pyruvate molecule is that it is not a protein. This is an important chemical compound that is being used in biochemistry. This is the output of glycolysis when...Read More

3 Answers

579 views

What are the tiny openings in your skin called?

Samantha Stewart, Philanthropist
Answered: Feb 18, 2021

The correct answer to this question is pores. They are tiny openings in the skin. Pores are connected to the hair follicles and are all over the entire body. The presence of pores on our skin...Read More

6 Answers

577 views

What are the characteristics of a plant?

K. Myers, Blogger
Answered: Feb 10, 2021

Plants can be defined as multicellular organisms that use photosynthesis to make their food. All plant belongs to kingdom Plantae. The study of plants is called botany. Most of the world's oxygen...Read More

2 Answers

574 views

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