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Anna35 [415]
3 years ago
12

When a cell divides to make two new cells, it copies its DNA first. This is called DNA replication. Why do you think this is imp

ortant when making body cells like skin or muscle or bone?
Biology
1 answer:
Harlamova29_29 [7]3 years ago
6 0

Answer:

DNA replication is important because without it, cell division could not occur. With DNA replication, the set of DNA of a cell can be duplicated and then each cell that results from division can have its own entire set of DNA, and cell division can theoretically continue indefinitely.

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What happens when the parasympathetic nervous system is activated
kolezko [41]

Answer:

Body functions stimulated by the parasympathetic nervous system (PSNS) include sexual arousal, salivation, lacrimation, urination, digestion, and defecation. The PSNS primarily uses acetylcholine as its neurotransmitter. Peptides (such as cholecystokinin) may also act on the PSNS as neurotransmitters. The parasympathetic nervous system is composed mainly of the cranial and sacral spinal nerves.

Hope this helps! If so please mark brainliest!

6 0
2 years ago
Someone knows this can help with this
Vikentia [17]

Explanation:

sensory so hard but I will try

4 0
2 years ago
explain why a mouse (an endotherm) would probably have wider bone rings than a similarly sized lizard (an ectotherm).
____ [38]

Write in your own words:

"Since the mouse is an endotherm, it probably has a higher metabolic rate, and thus a faster growth rate, than the lizard (an ectotherm of similar size) does. If the mouse has a faster growth rate, its bones would grow more between each ring, resulting in wider bone rings."

: )

and remember that a mouse is a endotherm because it generates metabolic heat to maintain internal body temperature.

4 0
3 years ago
When an ionic compound such as sodium chloride (NaCl) is placed in water, the component atoms of the NaCl crystal dissociate int
PtichkaEL [24]

Answer:

The correct answer is C) 1 L of 1.0 M NaCl

Explanation:

NaCl is a ionic compound so it dissociates in water into Na⁺ and Cl⁻ ions. Glucose is a covalent solute so it does not dissociates into ions. So, when we dissolve NaCl we have twice the amount of particles in solution in comparison with glucose. According to this:

A) and B) are solutions with the same concentration (0.5 M) but NaCl solution will have more solute particles than glucose.

C) and D) are solutions with more solute amount because they are more concentrated (1 M), but NaCl solution will have more solute particles than glucose solution ( 1 mol of Na⁺ ions + 1 mol of Cl⁻ ions).

The solution with the greatest solute particle number is C).

5 0
2 years ago
PLEASE HELP!!!!!<br><br><br><br> What happens during human reproduction?
marissa [1.9K]

Answer:

A baby is made

Explanation:

The sperm cell (from the man) and the egg cell (from the woman) combined, makes Zygote, the Zygote converts into the Embryo, and the Embryo converts into the Baby.

Hope this helped!

Have a supercalifragilisticexpialidocious day!

3 0
2 years ago
Read 2 more answers
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