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Effectus [21]
2 years ago
11

Which characteristics distinguish a law from a theory? Check all that apply

Biology
1 answer:
BigorU [14]2 years ago
3 0
A theory is an idea that has yet to be proven by experimentation. A law is a theory that has been proven correct.
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Which of these muscles cell types contracts the heart?
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Cardiac muscles is the answer
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3 years ago
Which of the following changes in aging skin contribute to increased susceptibility to infections? Select all that apply. decrea
Luba_88 [7]

Answer:

The answer is langerhans cells.

Explanation:

The first option is false. Melanocytes are cells that are responsible for the production of melanin throughout the skin of the body which affects the skin color.

The second option is also false. The Sebaceous glands are located at the end of the hairs on the skin and are responsible for producing oil throughout.

The third option is correct because langerhans cells are responsible for producing antigen throughout the skin and they are a part of the skin's immune system.

I hope this answer helps.

6 0
3 years ago
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What structure is most important in forming the tetrads?
Vladimir79 [104]

Answer:

The correct answer will be option- synaptonemal complex.

Explanation:

The tetrad arrangement of the genetic material in an organism is mediated by a highly conserved structure known as the synaptonemal complex.  The synaptonemal complex is formed during the prophase I of the meiosis I which attaches the chromatin of the homologous chromosomes.

The synaptonemal complex is a proteinaceous structure which is formed by the two lateral ladders like elements with a central portion composed of the central element. The chromatin gets attached to the lateral elements while the central a portion bridge space between the two ladders thus help in the formation of the tetrad.

Thus, option- synaptonemal complex is the correct answer.

4 0
3 years ago
Is dog breeding an art???
Law Incorporation [45]

Answer:Just because two dogs complement each other in physical appearance does not mean they will complement each other when comparing pedigrees. As spoken so well by my mentor, breeding is an art. When doing a breeding, stick to the breed standard, and strive for perfection

Explanation:

3 0
3 years ago
The data in the graph are the result of a paramecium being placed in a hypertonic salt solution. mc026-1.jpg Based on the data i
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3 years ago
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