Which of the following is true about differentiated cells?A.They have different DNA which allows them to perform different tasks.

B.They all contain the same DNA but they express different genes.

C.They can turn into whatever type of cell your body needs to ensure survival.

D.Each cell can perform various functions for maximum efficiency.

E.There are no more than 200 types in the body or else there would be too many to maintain.

Answers

Answer 1

Answer:

Answer:

Explanation:

All cells contain the same DNA, but there regulators that control which genes are expressed in the cell

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What human activities threaten biodiversity

Answers

Any type of habitat destruction threatens biodiversity. Logging, construction, farming, building riads, these are but a few examples.

Practice 3: In the human body, blood is a tissue. The job of the blood is to bring nutrients and oxygen to the different parts of thebody and remove any waste or harmful toxins. Which of the
statements below would be a reason why blood is considered a
tissue?
A. Blood is made up of one cell
B. Blood tissue moves throughout the whole body
C. Blood tissue id made up of organs that work to complete
unrelated jobs
D. Blood tissue is made up of different cells that work together to
complete the same job

Answers

D. Tissues is made of many cells.

An offspring will have both the traits of the mother and father. Why?___________

Answers

The offspring has 46 chromosomes; 23 from one parent and 23 from the other.

What is chromosome ?

A chromosome is carrier agent of all genetic information of the living organism, it is a thread-like structure present in the nucleus of cells, is made of a molecule of DNA (Deoxyribonucleic acid) and histone proteins.

It is made up of three components, DNA, proteins and RNA, amount of the DNA content ranges from 30 to 40 %, proteins from 50 to 65%, and of RNA from 1 to 10%.

Two types of protein observed in DNA such as histone and non-histones proteins, histone constitute large amount (90% of total protein), whereas non-histone is present in small amount (around 10% of total protein).

The histone protein is basic, whereas, the DNA is acidic, so it can be neutralized; DNA in chromosome is present in two forms such as Euchromatin and Heterochromatin.

For more details regarding chromosome, visit

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The offspring has 46 chromosomes; 23 from one parent and 23 from the other. That why it has traits from both parents.

Movement of water across a membrane is called ______. A. osmosis B. mitosis C. diffusion D. active transport.PLEASE HELP

Answers

I agree the answer is osmosis

diffusion deals with movement of particles from high to low concentration. For example you drop food coloring into water. The food coloring diffuses.

Hope this helped and good luck!!!

A. Osmosis
Hope it helps:)

Which of the following forces require physical contact?

Answers

The choice that says Force applied force , this requires physical contact.

My reason being is mainly because it says applied. This means i or you have to apply my or your strength to a " table " in order to move it.

_________________________________________________

I really hope that this helps you a lot. :) have a nice day.

What is active transport

Answers

The movement of ions or molecules across a cell... requiring Energy.

Active transport is the movement of molecules across a cell membrane.

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