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iris [78.8K]
3 years ago
12

What is a hydrogen atom and carbon atom? What are elements?

Biology
1 answer:
Anna71 [15]3 years ago
3 0

Answer:

A hydrogen atom is an atom of the chemical element hydrogen.Carbon is a chemical element with the symbol C and atomic number 6. It is nonmetallic and tetravalent—making four electrons available to form covalent chemical bonds.

In chemistry, an element is a pure substance consisting only of atoms that all have the same numbers of protons in their atomic nuclei.

Explanation:

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Describe the genetic makeup of an offspring produced by sexual reproduction.
andreev551 [17]
During sexual reproduction, two haploid gametes join in the process of fertilization to produce a diploid zygote.
look up in ur book meiosis which will explain more
4 0
3 years ago
Which of the following statements is a false or incorrect statement?
irakobra [83]

Answer:

The correct answer is option d) "damage to the primary motor cortex results only in the loss of both voluntary muscle control and reflexes".

Explanation:

It is false that damage to the primary motor cortex results only in the loss of both voluntary muscle control and reflexes. Many people that suffer from brain damage by strokes suffer from primary motor cortex damage. This damage not only affects voluntary muscle control and reflexes, as it affects muscles movement of any kind and can affect coordination as well.

8 0
3 years ago
The product of ________<br> is a zygote and an endosperm.
Irina-Kira [14]

Answer:

Embryo

Explanation:

Embryo is multicellular diploid body, under mitosis it forms zygote which is single cell. The union of sperm cell and egg cell. This divides rapidly in the days followed by fertilisation. After two week of division it forms zygote. Most of flowering plants in the tissue present in the seed. It is surrounded by the embryo and also provides nutrition in the form of starch, it also have oils and proteins in it.

5 0
3 years ago
_______ part of our brain generates signals for involuntary action.​
Ksivusya [100]

Answer:

the brain stem

Explanation:

the structures of our brain stem, in conjunction with our spinal cord (not a part of our brain) is responsible for involuntary action. Not sure if it generate signals, but hey it's better than no answer.

3 0
3 years ago
Read 2 more answers
The endocrine system involves a number of organs and glands that secrete hormones. The posterior pituitary gland is responsible
wolverine [178]

Answer:

The characteristics that best describe SIADH is the ones explains below

Explanation:

(SIADH) or known as syndrome of inappropriate secretion of antidiuretic hormone is a disorder of impaired water excretion caused by the inability to suppress the secretion of antidiuretic hormone.

The characteristics that best describe SIADH is: Fluid retention, serum hypoosmolality, dilutional hyponatremia, and concentrated urine with normal intravascular volume .

8 0
3 years ago
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