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nikitadnepr [17]
4 years ago
9

Dna is composed of repeating structural units called?

Biology
2 answers:
Daniel [21]4 years ago
8 0
The answer is nucleotides.
Oduvanchick [21]4 years ago
8 0

Answer:

Nucleotides

Explanation:

nucleic acids known as nucleotides

C - Cytosine

G - Guanine

A - Adenine

T - Thymine

hopefully this helps you understand this concept.

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Where do strawberries go after they have entered the small intestine
ioda

Answer:

They will travel to the Large Intestine to absorb the water out of it

7 0
4 years ago
Why are open circulatory systems advantageous to some animals?
goldenfox [79]

Answer:

Open circulatory systems are advantageous to some animals because they use less metabolic energy.

Explanation:

Open circulatory systems are also known as lagoon circulatory systems. In this systems the blood is not necessarily always inside the blood vessels; It leaves the heart and will directly irrigate the organs and then return by other means or mechanisms.

So that it can be understood more easily, it is necessary to think about this system acting in organisms much smaller and less complex than mammals or any other vertebrate of greater size. As this animals doesn't have a great size, they need to use less metabolic energy than more developed organisms, so this system allows them to save metabolic energy to be used in other living functions.

6 0
3 years ago
An experimenter wanted to test the effects of cigarette smoking on rats. She infused the cages of 50 rats with cigarette smoke a
Feliz [49]

Answer:

Control group

Explanation:

A control group is<em> a group of individuals in an experiment where the independent variable being tested (the exposition to cigarette smoke in this case) can't influence the results.</em> This control group will be then compared to the experimental group (exposed to the smoke) to see the effect of the variable evaluated.

I hope you find this information usefula nd interesting! Good luck!

4 0
4 years ago
C6H12O6 + 6O2------&gt;6CO2 + 6H2O identify the substance (s) being oxidized
pav-90 [236]
This would be an oxidization of <span>cellular respiration and </span>photosynthesis.
6 0
3 years ago
2. What biosecurity measures does the hatchery take?<br> Enter your answer
Cloud [144]

Answer:

Provide a closed environment.

Clean the hatch chamber with chemical.

Explanation:

Biosecurity  is a measure which is taken in order to protect or prevent the population of existing species from infestation of harmful organisms and chemical substances. The hatchery should provide a closed environment in order to prevent the entry of harmful organism. Cleaning of the chamber where eggs were hatched with chemicals in order reduce the infestation of microorganism.

7 0
4 years ago
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