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Maru [420]
3 years ago
10

What type of transport does not require energy to move molecules across the plasma membrane?

Biology
1 answer:
madreJ [45]3 years ago
6 0

Answer:

it is the Passive transport.

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What happens if oranisms fall to adjust and respond to changes in their environment?
erica [24]

Answer:

they would probably go extinct

Explanation:

4 0
3 years ago
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Why is carbon considered tetravalent?
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All what the word tetravalent means is that carbon can form 4 chemical bonds, due to the fact that carbon has 4 unpaired valence electrons in its furthest shell, which can be used to bond to other atoms, to form linear and cyclic structures in organic compounds.

Tetravalent also tells us indirectly what the molecular geometry of the atom would be if bonded to those number of bonds, if 4, then it would be tetrahedral and have bond angles of 109.5.
6 0
4 years ago
A DNA molecule with a total of 1500 nucleotides has 300 cytosines. How many thymines does the DNA molecule have?
Sergeu [11.5K]

The DNA molecules will have 450 thymines if a DNA molecule has a total of 1500nucleotides

A DNA molecule also known as deoxyribonucleic acid is made up of a double helix.

The DNA molecule with a total of 1500 nucleotides will contain 750 cytosine and Thymines and 750 guanines and adenine.

Hence we can have the expression:

C + T = 750

If there are 300 cytosines, hence;

300 + T = 750

T = 750 - 300

T = 450

This shows that the DNA molecules will have 450 thymines

Learn more here: brainly.com/question/13643968

7 0
3 years ago
How would a malfunction in the circulatory system affect other organ systems in the body
Liono4ka [1.6K]

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The circulatory system interacts with every organ and system in the body hence, it is vital for every organ and system to function properly.

The circulatory system carries oxygen to the lungs and takes the waste materials out of it. Hence, a malfunction in the circulatory system can cause the respiratory system to not work properly. Severe damages will be caused to the body if oxygen is not taken to and from the lungs.

The circulatory system is also involved in carrying waste materials to the kidneys. It helps carry the waste materials out of our bodies. Malfunctioning of the circulatory system can cause no excretion of wastes from the body which will eventually lead to the death of the organism.

3 0
3 years ago
When going down a slope on a roller coaster, does your stomach actually move up?
Alina [70]
Yes it moves up , because when going down a high speed on a roller coaster you’re body moves up and so does you’re stomach
6 0
4 years ago
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