Answer:
X: Positive gravitropism
Y: Negative gravitropism
Explanation:
i just did the quiz and got it correct
Points c and d would have spring tides.
False. Rosalind Franklin, Maurice Wilkins, James Watson, and Francis Crick found out the actual structure of the DNA molecule by x-rays and research.
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Waste water
oil pollution
river dumping
marine dumping
Answer:
5 bases
Explanation:
If there are 17 amino acids and only 2 bases that can be combined in order to make a codon then:
for 4 bases
is 16 and it is not enough combination for all 17 amino acids
for 5 bases
is 25 combinations (meaning that more than one codon could code for the same amino acid).