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Phoenix [80]
4 years ago
12

The _____________ is the first major organ to form in a developing fetus.

Biology
1 answer:
zavuch27 [327]4 years ago
7 0
The <u>brain</u> is the first major organ to form in a developing fetus.
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Which sentence describes one difference between DNA and RNA?
morpeh [17]

DNA is double stranded describes the difference  between DNA and RNA.

<u>Explanation:</u>

Deoxyribonucleic acid refers to DNA stands for and ribonucleic acid refers to RNA. Information related to genes is carried by both RNA and DNA. Although they are similar in this way there are many differences that exists between them.

Sugar deoxyribose is contained in DNA whereas the sugar ribose is the content of RNA. Double-stranded molecule is DNA whereas  while single-stranded molecule is RNA.  In alkaline conditions DNA is stable but RNA is not stable. B-form double helix is the structural feature of DNA. A-form helix structural feature of RNA.

7 0
3 years ago
) when two aqueous solutions that differ in solute concentration are placed on either side of a semipermeable membrane, and osmo
Volgvan
The answer is a.
osmosis is the net movement of water molecules from a region of high water potential to a region of lower water potential through a semi permeable membrane
6 0
3 years ago
Many people try to eliminate fat fron their diets. Which is one reason it is nescessary for humans to eat fat?
Vesnalui [34]

Answer:

keeping fat is good for our stomach and other parts to protect and maintain

4 0
3 years ago
Read 2 more answers
Why do you think it is necessary for there to be variation in a population in order for evolution by natural selection to occur?
ANEK [815]
Without variation in the population there will be no differences in relative fitness/differential reproductive success between individuals as a result of natural selection. Without differences in relative fitness between individuals there will be no change in frequency of alleles in the population overtime.
5 0
4 years ago
Which characteristic of living things is missing in viruses? They can reproduce on their own. They can reproduce on their own. T
Lilit [14]

Answer:

The correct answer is - They can reproduce on their own.

Explanation:

Viruses are considered as living and nonliving by a different group of microbiologists and biologist as virus show characteristic of both groups living and nonliving

Living -  They can move, they carry and transmit genetic material, they can interact with other living organisms and infect them, Can undergo mutation, capable to reproduce, resistant to antibiotics, and many others.

Non-living - Can be crystallized, Lack cell membrane and cell wall,  inert outside the host, totally dependent on their host for their reproduction can not reproduce on their own.

6 0
3 years ago
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