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

Why are food chains limited to 4-5 tropic levels?

Videosbym
Answered: Sep 23, 2021

Energy losses between trophic levels restrict the length of food chains and the biomass of higher trophic levels, energy losses, restrict the length of food chains, restrict length food chains,...Read More

10 Answers

7052 views

Do all the cell contain the same organelle?

R. Barnes, Professional Gamer
Answered: Dec 04, 2020

All cells do not really contain the same organelle, but then they do contain the same organelle. Some of the organelles such as the endoplasmic reticulum, mitochondria, Golgi apparatus, and so on...Read More

9 Answers

4049 views

What is the correct sequence of the cell cycle?

L. Gibson, Science Professor
Answered: Feb 10, 2021

The correct sequence of cell cycle is  G1 -> S -> G2 -> M
The cell cycle is the process by which a cell increases in size in preparation for cell division. In this process. The cell...Read More

4 Answers

2145 views

Why are prokaryotic cells generally smaller than eukaryotic cells?

G. Roland, Professor
Answered: Nov 05, 2018

There are two types of cells. They are the prokaryotic cells and the eukaryotic cells. The prokaryotic cells are a little smaller in size compared to the other type of cell, the eukaryotic cells....Read More

5 Answers

1969 views

Which of the following is not found in an animal cell?

Kolawole Francis
Answered: Jun 12, 2018

Large central vacuole can only be found in plant cell not in animal cell. And also chlorophyll is found in the chloroplast which is responsible for photosynthesis in the plant and we all know...Read More

5 Answers

1805 views

Which of the following do all cells contain?

John Adney
Answered: Jun 12, 2018

The cell membrane and plasma membrane are contained by all cells.

6 Answers

1731 views

What is the reason for Okazaki fragments being formed during DNA replication?

L. Gibson, Science Professor
Answered: Feb 10, 2021

The correct answer is - To enable replication of the 3′ → 5′ (lagging) strand
The reason for Okazaki fragments being formed during DNA replication is to enable replication...Read More

5 Answers

1387 views

What is not a function of mitosis in humans?

L. Gibson, Science Professor
Answered: Feb 10, 2021

Production of gametes from diploid cells
The Production of gametes from diploid cells is not the function of mitosis in humans. Mitosis is the process in which a single cell is divided into...Read More

3 Answers

1216 views

What does not affect the rate of diffusion of a substance?

S. Hughes
Answered: Feb 12, 2021

Diffusion can be defined as the movement of molecules from a region of higher concentration to a region of lower concentration. Diffusion is an important process that occurs in living beings....Read More

4 Answers

1172 views

What is the correct flow of genetic information in eukaryotic cells?

S. Leo, Content Blogger
Answered: Feb 03, 2021

The correct flow of the eukaryotic cells is DNA first before it will become RNA. Finally, the last stage will be proteins. Take note that most but not all eukaryotic cells will have their genetic...Read More

2 Answers

1121 views

What is the end product of fat and oil?

S. Leo, Content Blogger
Answered: Feb 03, 2021

You should know that fat and oil are considered to be triglycerides. Their end product will also be glycerol and fatty acids. These will be released to the lymphatic system. The fats that enter...Read More

2 Answers

1047 views

Which sequence represents the correct order of increasing complexity in living systems between cell, molecule,organ,tissue?

I.Elizabeth
Answered: Feb 02, 2018

Living organisms are incredibly complex biological machines, working to continue life. However, at our core, we are pretty simple and have the same basic unit, the cell. Then many similar cells...Read More

2 Answers

1037 views

What description best fits the class of molecules known as nucleotides?

Todd Gurley
Answered: Feb 12, 2021

The correct answer is – Nitrogenous base, phosphate group and a pentose sugar
Nucleotide is defined as a monomer constituting DNA or RNA biopolymer molecules. Each nucleotide consists...Read More

3 Answers

1020 views

How many will the daughter cells have in Meiosis if the parent cells has 40 chromosomes?

Markda John
Answered: Jan 02, 2018

Meiosis is a little different than mitosis. In mitosis, you get two cells at the end with the final number of chromosomes still at 40 in each cell. In meiosis, the cells divide twice: once to...Read More

3 Answers

1017 views

What is a result of glycolysis?

S. Leo, Content Blogger
Answered: Feb 03, 2021

The result of glycolysis is pyruvic acid. There are some people who may become confused with this process because they assume that this is a process that will be done to create glucose. This is...Read More

2 Answers

976 views

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