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irakobra [83]
3 years ago
14

DNA plays a major role in heredity, composing the genes that are passed down from parent to offspring. It also plays a major rol

e in the everyday workings of your cells. It does this by creating molecules, such as enzymes, that regulate cell functions. These enzymes belong to a larger class of molecules known as A) RNA. B) proteins. C) ion pumps. D) amino acids
Biology
1 answer:
bazaltina [42]3 years ago
8 0

Answer;

B. Proteins.

Explanation;

-Information that is stored in DNA molecules is used to manufacture proteins through the process of transcription and translation.

-During transcription, DNA molecules are used to generate mRNA (messenger RNA), which then undergoes translation in the cytoplasm to generate proteins. These proteins include enzymes that control or regulate and catalyze different biological reactions in the body.

- Additionally, one of the characteristic of protein is being protein in nature which means like proteins they are produced through translation in the ribosomes.

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Blood flow
horrorfan [7]

Answer:

D. Tricuspid → right ventricle → pulmonary valve → pulmonary circulation

Explanation:

The circulatory system is the system of organs and blood vessels which is associated with the circulation of the blood in the body.

The circulatory system is divided into two portions: the systemic circulatory system (body) and the pulmonary circulatory system (lungs).

The vena cava brings the oxygen-poor blood from the body to the right atrium from where the blood is transferred to the same side of the ventricle controlled by the tricuspid valve (atrioventricular valve).

From the right ventricle, the blood is pumped to the pulmonary artery which transports the blood to the lungs where the oxygen will be exchanged.

Thus, Option-D is correct.

4 0
3 years ago
Base your answer to the question on the information below and on your knowledge of biology.
vodomira [7]

Answer:

They can perform photosynthesis.

Explanation:

Autotrophs are organisms that can produce their own food, and heterotrophs are organisms that feed on other organisms. This means that the ameba and paramecium can eat only other microorganisms.

The euglena is not limited to this. Hypothetically speaking, if there were no other microorganisms around it (which is unlikely), the euglena would not die as long as it is exposed to sunlight. Thanks to chloroplasts, organelles that contain chlorophyll, it can perform photosynthesis - a process in which, with the help of sunlight, carbon dioxide, minerals, and water are used to synthesize food.

3 0
3 years ago
How can we make larger drawings ? Can someone tell me the guidelines please help
Zigmanuir [339]

Answer:

you should have skills of drawing observe the diagram

7 0
2 years ago
Read 2 more answers
Explain the 1st and 2nd law of thermodynamics in terms of food chain, energy flow, pyramid of number and pyramid of energy
Westkost [7]

Answer:

First law of thermodynamics is the conservation of energy states that energy is not created and not destroyed but only can be stored.

Thermodynamics second law states that total entropy of a system increases from lower to higher system and some of the energy is always wasted during the work done.

In the food chain plants are the producers which accept light energy and stored in the form of chemical energy and energy flow to the herbivores and higher trophic levels in the chemical form only and no new energy is created in between the chain (Fisrt law of thermodynamics). Heat is generated during respiration by plants and animals (wasted energy) and entropy also increases with the increase in level of the pyramid of energy (Second law of thermodynamics).

4 0
3 years ago
Imagine that you take a journey through time, starting in the age of the dinosaurs. You see plants and animals as they turn into
VLD [36.1K]

Answer:

You take any of the "signs of change in populations of organisms and their environments". For imagine, Australopithecus (early man) turning to Homo sapiens. In that way they could tell that you took this journey.

6 0
3 years ago
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