194 Best Cell Questions and Answers (Q&A) - ProProfs Discuss

What is the difference between Basal Cell and Squamous Cell Carcinoma?

Robert Hazlewood, Senior Executive
Answered: Jul 29, 2019

Basal cells and squamous cells are two types of cells located in epithelial tissues. The purpose of epithelial tissue is to provide protection and support organs in the body. The primary purpose...Read More

1 Answer

243 views

Why are sodium potassium pumps important? Also, is it a form of active or passive transport?

John Smith
Answered: Apr 27, 2024

Sodium is constantly diffused into the cell which causes it to dehydrate. these pumps take out the access sodium molucules. -potassium is needed in high count in the cell to help transport other...Read More

1 Answer

241 views

What is plasmodesmata?

E. Austin
Answered: Jan 07, 2021

Plasmodesmata are small channels that join the cytoplasm to other plant cells. Plasmodesmata are formed when fractions of the endoplasmic reticulum are trapped across the middle lamella as new...Read More

1 Answer

240 views

What is a cell and how does it function in our body?

H. Barnes, Unemployed
Answered: Apr 15, 2020

The cell is the smallest unit of life that makes up the basic functions, structural, and biological units of all organisms. Cells are not visible to mere eyes; they can only be seen with th...Read More

2 Answers

238 views

What is an operon?

John Smith
Answered: Apr 27, 2024

Operon: The sequence of genes located one after another on the same chromosomal DNA that controls enzyme formation. Structural genes: constitutive genes that encode for enzymes Upstream pro...Read More

1 Answer

238 views

What is the difference between IgG and IgE?

Yashu Dhiman, Content Writer
Answered: Aug 26, 2020

IgG and IgE are different classes of immunoglobulins. Immunoglobulins are also referred to as antibodies are proteins produced by plasma cells to fight foreign bodies again.
IgG is the most...Read More

2 Answers

237 views

How long is the cell cycle in fly embryos?

John Smith
Answered: Apr 27, 2024

50 times 2 - 30 - Assaying means you can check dna count: g1/g0 is unreplicated, s is partially replicated, g2 is fully replicated. Both DNA strands replicated end to end: polymerase moves...Read More

1 Answer

229 views

How is RNA activated?

John Smith
Answered: Apr 27, 2024

RNA has ribose backbone, uses uracil instead of thymine. Adding 2 phosphate radicals to form a triphosphate. RNA polymerase identfies & binds to dna promoter, moves down dna while unwinding dna...Read More

1 Answer

218 views

What cell parts go to their structure and function?

Kstern
Answered: Apr 27, 2024

Made of proteins and bilayer;acts as a boundary layer
A gel-like material inside the cell;allows water, nutrients and organelles to move freely in the cell
A membrane-enclosed organelle...Read More

1 Answer

218 views

Why do you think it's important that cell membranes are selectively permeable?

Dramagirl
Answered: Apr 27, 2024

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1 Answer

217 views

How does the mitochondria process nutrients from a cell and turn it into energy?

John Smith
Answered: Apr 27, 2024

Powerhouse - present in all portions of cytoplasm, varies between 100-1000s per cell depending on cell type - enveloped by 2 lipid bilayers, outer/inner membrane - inner membrane forms...Read More

1 Answer

216 views

What is the difference between Toxic and Poisonous?

Millie Brown, Businessman
Answered: Jul 13, 2020

Toxic and poisonous are two terms that are used most of the time interchangeably. This is because both terms have similar meanings, and they are often considered as synonyms. Toxic and poisonous...Read More

5 Answers

150 views

What is the difference between Cytokinesis and Mitosis?

Daniel Frederic
Answered: Jul 15, 2020

The process of Mitosis usually takes place in three distinct phases-namely Interphase, Karyokinesis and Cytokinesis. Karyokinesis do occur in four major phases. Once Karyokinesis is done with,...Read More

4 Answers

102 views

What is the difference between Cilia and flagella?

N. Reyes, Writer
Answered: Oct 13, 2020

Two common parts of the living cells are cilia and flagella. Their functions are not totally specific for all organisms. For instance, in some organisms, cilia and flagella are used for...Read More

4 Answers

101 views

What is the difference between Sickle Cell Hemoglobin and Normal Hemoglobin?

W. Kaye, Ex-Marine
Answered: Mar 17, 2020

Hemoglobin is the critical protein molecule that provides the shape of the red blood cell, which is a round shape with a small center. Sickle cell anemia is a blood condition produced by abnormal...Read More

1 Answer

90 views

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