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Margaret [11]
3 years ago
9

The problem that scientist had with seafloor spreading is what

Biology
1 answer:
raketka [301]3 years ago
4 0

When new oceanic crust is made, it spreads out, taking up space. Scientists did not understand how new crust was not increasing the size of Earth.

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VMariaS [17]

Most of the mutations have no effects whatsoever on the organisms but some can be dangerous. There are two types of mutations that cause harm to the organism's ability to survive:teratogen muations are the mutations that form inside the uterus when the fetus is still developing and can even kill it or cause severe malformations that lead to death in the early life. Carcinogen mutations are the ones that lead to the formation of neoplasms(masses of cells that divide uncontrollably, basicly cancer).

8 0
2 years ago
Where is a codon found
ICE Princess25 [194]

Answer:

A codon is found on the coding strand of double-stranded DNA and in the (single-stranded) mRNA. The anticodon is found on the tRNA and is the part that base-pairs with the codon (on the mRNA) in order to bring the appropriate amino acid to the ribosome to be added to the growing peptide chain.

4 0
2 years ago
Which of the following statements best describes proactive interference
sveta [45]
A.
Explanation: Because he learned it in previous years when it was different, now it becomes hard to learn the new information.
6 0
2 years ago
Prokaryotes live in extreme environments, where eukaryotes cannot live. List at least three such environments where you would ex
ArbitrLikvidat [17]

Answer:

Hyperthermophiles (above 80°C).

Acidophiles (usually at pH 2.0)

Alkaliphiles (extremely high pH value 9 to 13)

Extreme halophile

Explanation:

4 0
3 years ago
What is different concerning the dna in bacterial cells as opposed to eukaryotic cells?
-BARSIC- [3]
What is different concerning the DNA in bacterial cells as opposed to eukaryotic cells
o The amount of DNA present, whether the DNA is housed in a nucleus or not, and whether the DNA is linear or circular
• Which of these statements is true regarding cell division in the body of a growing teenaged human?
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• Dividing cells must copy their DNA
( replication ), segregate DNA and other cellular components during
( mitosis ) and split apart during
( cytokinesis)
• Our chromosomes exist as many sets of similar pairs with the EXCEPTION of our sex chromosomes o the sex chromosomes of the human female are also pairs. It is the X and Y of the male that break this rule •

6 0
3 years ago
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