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Damm [24]
3 years ago
13

What macromolecules are capable of self-replication?

Biology
1 answer:
Y_Kistochka [10]3 years ago
5 0
The answer is RNA and DNA
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Golf courses make use of fertilizers to keep the grass green and healthy. Using your knowledge of osmosis, explain how applying
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Osmosis is the diffusion of water. Water tends to diffuse to the area with a higher concentration of solute. (Particles) In this case, Im assuming the fertilizer is the solute because it contains chemicals. Therefore, since water tends to diffuse to higher concentration of solute, the water in the grass will diffuse out to dilute the fertilizer on the surface of the grass. Without water, the grass will be dehydrated and shrivel up and die. Hopefully you find my answer helpful!
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What's the definition of science
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3 years ago
What’s the difference in independent variable, dependent variable and controlled variable.
Rus_ich [418]

Answer:

an independent variable is a variable that changes an a dependent variable is something that doesn't change

Explanation:

like if i put two fish is different size tanks and measured them after so long

measuring them would be dependent and putting them in different size tanks would be independent

6 0
4 years ago
What is the mass of all the worker bees in the hive together? Write your answer in scientific notation.
Lisa [10]

Answer:

4 × 10^0 kg or 4×E0 kg.

Explanation:

Before delving into or solving the Calculation, let us check one or two things about worker bees.

WHAT IS A WORKER BEE?.

Bees generally are social insects living in an organized community and they consist of three castes which include; the drone bees, worker bees, and the queen bees.

The queen bees are the female bees while the drone bees are the male bees.

The WORKER BEES are female bees too, but the only difference between them and the queen bees is that they (worker bees) do not reproduce like the queen bees. They are saddled with the responsibility of looking for food and maintaining the hive temperature.

Now to the question, the mass of a bee= 1 × 10^-4 kg. And there are 4 × 10^4 bees in hive. Therefore, the mass of all the worker bees in the hive together = (1 × 10^-4) × (4×10^4).

==> 4 × 10^0 kg, or 4E0 kg.

8 0
3 years ago
Describe the main molecule found in nucleus and explain how it controls the cells functioning​
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The main molecule found in nucleus is called DNA(deoxyribonucleic acid). This molecule is made of subunits called nucleotides. A nucleotide is made of a nitrogenous base that can be adenine, thymine, guanine or cytosine; a five carbon sugar called deoxyribose and a phosphate group. This molecule controns protein synthesis. Proteins are crucial to the cell's function.

8 0
3 years ago
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