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sergij07 [2.7K]
3 years ago
5

Macromolecules are labeled as organic because they contain which element?

Biology
1 answer:
Len [333]3 years ago
7 0

Answer:

Carbon and hydrogen

Explanation:

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Which sentence describes an example of a positive feedback loop?
grandymaker [24]

Answer:

c

Explanation:

because the body uses itself to heal

5 0
3 years ago
The ___________________ is the sum total of all alleles in an individual.
Anton [14]

Answer: The correct answer would be gene pool.

Explanation:

Gene pool refers to the sum of all the alleles in an individual.

The allele refers to the alternate forms of the gene.

Large population usually has more genetic diversity as compared to small population. Variation in gene pool is essential for survival of a population.

8 0
3 years ago
Patent fingerprints, or visible fingerprints, are left on a smooth surface when blood, ink, or some other liquid comes in contac
lana [24]

Answer:

Answer is option A (True).

Explanation:

The fingerprint pattern of an individual is unique as no two individuals have the same pattern and it remains unchanged. So fingerprints are considered as one of the main types of physical evidence that can be recovered from a crime scene for identification purposes.

The three types of fingerprint impressions are;

Patent fingerprints or visible fingerprints - They are visible prints that are left on a smooth surface of another object when foreign substances such as blood, ink, or some other liquid present on the skin of a finger come in contact with the surface. These prints are easily identifiable and are visible with the naked eye without any technological enhancements.

Plastic prints - They are visible, three-dimensional prints that are left on soft surfaces such as freshly painted surfaces or materials like wax, gum, clay, soap, etc when a finger comes in contact with that surface resulting in an indentation. These prints are easily observable and no enhancement is required.

Latent prints - They are invisible fingerprint impressions that are left on a surface as a result of the perspiration, moisture or oil found in the ridges of fingers. Since they are not visible to the naked eye, enhancement is required upon their collection.

8 0
2 years ago
What conditions make for a violent volcanic eruption? A. Magma with low gas content OB. Magma with low viscosity O C. Magma with
spayn [35]

Answer:

A and B

Explanation:

the main factors that result in violent volcanic eruption is low viscosity and gas content

4 0
3 years ago
What happens to the speed of a chemical reaction when a catalyst is present
olga2289 [7]
The speed of a chemical reaction when a catalyst is present is that it. A.) It speeds up
6 0
3 years ago
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