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ValentinkaMS [17]
3 years ago
7

How was the cane toad introduced in Australia

Biology
1 answer:
never [62]3 years ago
4 0

Answer: Option B)

Im 100% sure its the answer!

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What causes sediments to stick together and become sold rock?
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C. pressure is correct

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3. Could a man with type AB blood be the father of a child with type O blood? Explain your answer utilizing Punnett squares (see
svlad2 [7]

Answer:

No

Explanation:

Both A alleles and B alleles are dominant over the O alleles. This means that both parents must have an O allele present to even have a chance of having a child with type O blood. Lets say the mother has type O blood with the father having type AB blood. The possible combination would be: AO, BO, AO, BO. The punnett square should look like this:

        A          B

O     AO        BO

O     AO        BO

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3 years ago
Which methods reduce friction? O increasing speed O lubricating surfaces O using sticky materials O increasing surface roughness
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Answer:b)lubricating surfaces

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3 years ago
One of the questions early geneticists had to answer was how only four nucleotides can specify placement of 20 amino acids in pr
jenyasd209 [6]

Answer:

<h2>Codon </h2>

Explanation:

The sequence of DNA is transcribed into mRNA, containing the sequence  for protein synthesis, protein is synthesized according to the codons in mRNA.  This sequence of nucleotide on DNA/ RNA is divided into a series of three nucleotide units, and one unit of three nucleotide is  known as codons.

There are overall 64 codons, 61 codons out of 64 codons, codes for overall 20  amino acids, and the remaining three  are stop codons.

These there codon do not code for any amino acid.

And these 61 codons, they  code for total 20 amino acids. So one amino acid can be coded by one or more than one codons.

6 0
3 years ago
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