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algol13
2 years ago
15

Can someone help me with a biology lab?​

Biology
1 answer:
Vitek1552 [10]2 years ago
4 0
The plants that were getting sunlight grew taller and bigger while the ones that didn’t were shorter and smaller. No matter if they got the same water.
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A mutagen is
Novay_Z [31]

Answer: The correct answer is-

an agent that causes a mutation in DNA.

Mutagen is an agent or a substance that causes permanent change in the genetic material of living organisms ( DNA, deoxyribonucleic acid). This process is called mutation.

A mutagen can be a chemical, physical or biological agent that causes mutation in the DNA.

Example- Physical agents such as -

  • Ionizing radiations like alpha particles, gamma rays,  X-rays that brings break in the DNA and cause other damages.
  • Ultraviolet radiations that creates pyrimidine dimers ( T=T) and causes replication errors if damage is not repaired.
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3 years ago
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A Paramecium has an internal sucrose concentration of 0.040 M, a glucose concentration of 0.035 M, and a fructose concentration
Nadusha1986 [10]

Answer:

<u>c. Sucrose and glucose</u>

Explanation:

The paramecium is a large, single-celled microbes, surrounded by a plasma membrane. Simple diffusion occurs in cells across plasma membranes, as a form of passive transport. In diffusion, solutes move from regions of high concentration to regions of low concentration across the plasma membrane.

Here, the internal environment has higher concentrations of sucrose and glucose, but lower concentrations of fructose, thus the solutes will move along their concentration gradient, to where the concentrations are lower. In order for the fructose molecules to move out of the cell, the molecules have to move against their concentration gradient - a process requiring energy known as active transport.  

6 0
3 years ago
Oxygen and carbon dioxide pass through the plasma membrane by _____. passive diffusion facilitated diffusion active transport
Aleonysh [2.5K]
It is passive diffusion
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Which genetic locus is not used for calculating the rarity of a DNA profile?
nalin [4]

Answer:

TOPX

Explanation:

3 0
3 years ago
What is the definition of oceanography?
kenny6666 [7]
Hi there!

The definition of Oceanography is -

The study of the Ocean.

Hope this helps!

~Alexa
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