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Andrej [43]
3 years ago
14

What are the componenets of ribosomes

Biology
1 answer:
hammer [34]3 years ago
7 0
The answer would be RNA and protein. Each subunit is composed of at least one or more rRNA molecules and proteins. 
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Whats the difference between pests and parasites
iren [92.7K]

Answer:

Explanation:

“parasite” is a specific term, meaning an organism that lives on and harms another creature, while “pest” is a general term, meaning an unwanted or annoying organism.

6 0
3 years ago
How do we know what the make-up of air was like in the past?
ANTONII [103]

Explanation:

Primordial organisms did not require oxygen for respiration as is the case with most organisms case today. These organisms were and are still mainly anaerobic. They main form of cellular respiration is glycolysis that does not utilize oxygen. Since other organisms evolved from the primordial cells, it is deduced that the early atmosphere was not mainly composed of oxygen but mainly carbon dioxide.

In today’s aerobic cells oxygen is utilized in the Krebs cycle as a proton acceptor making cellular respiration even more efficient in the production of energy. Remember that, utlimately, organisms evolve to fit into their environment.

Learn More:

For more on the early earth's atmosphere check out;

brainly.com/question/12979094

brainly.com/question/12934260

brainly.com/question/12790834

brainly.com/question/11725431

#LearnWithBrainly

7 0
3 years ago
A group of scientists studying vegetation in a mountain range observe that a certain flowering plant grows taller at lower eleva
UkoKoshka [18]

      Well, first of all, the question asks us to to list three different factors that could lead to this variation.

       The first one is pressure, so, what happens is that, when the pressure changes with the height change, these plants develop in different ways. The second one is the oxygen, as we know, oxygen in higher elevations is less than in ocean elevation for example, so this can be a reason for this variation. The last one is the quantity of organic material on the soil, this can influence directly on the development of this population.

        With that said, we need to write a hypothesis for one of these factors, let's choose the organic material because it's easier and cheaper to test. For that, the hypothesis is that, with less organic material available on the ground, the plant will grow smaller than on a normal soil. To test that, we need to grab samples of this flowering plant and put it at the same conditions as on the mountain, that is a possibility on a good lab, so after that, we'll change the quantity of organic material on some samples, to check if my hypothesis is right or not.

        The positive results are that this is the reason why the plants grow smaller, so, with less organic material, the plants won't develop in the same way as it would happen with enough organic material. The negative results are that this is not the reason why these variations exist, so we need to test another factor to check why this variation is happening.

8 0
3 years ago
The forelimbs of a bat and whale are known as A homologous structures B analogous structures C vestigial structures D fossils
alexira [117]
The answer is vestigial structures
5 0
3 years ago
Car wax mostly contains beeswax and carnauba wax. Which of these does NOT accurately describe waxes?
alex41 [277]

Answer:

Waxes does't contain fatty acids,glycerol and a phosphate group.

Explanation:

Car wax and bee wax contain ester bonds, fatty acids and long chain hydrocarbons but they don't possess fatty acid, glycerol,and a phosphate group.

8 0
3 years ago
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