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madreJ [45]
3 years ago
5

I need help with this...I will give brainliest to correct answers

Biology
1 answer:
Marizza181 [45]3 years ago
7 0

Answer:

It would be the ER.

Explanation:

Hope this helps :)

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The _________________ is the hereditary material of the cell made up of sequences of four nucleotides arranged in linear strands
mario62 [17]

Answer:

DNA

Explanation:

The answer is DNA. It belongs to a class of molecules called the nucleic acids, which are polynucleotides(long chains of nucleotides)

Hope this helped :)

6 0
3 years ago
Which of the following nitrogen bases is unique to RNA?
Shkiper50 [21]
<h2>Answer</h2>

The right option is (A).

<h2>Explanation</h2>

The RNA gets its information from DNA to synthesise the proteins. It is different from DNA also due to the difference in one nitrogen basis as uracil. The thymine, the nitrogen basis that is only present in DNA is replaced with uracil to form RNA coding. The uracil also contains the same features as thymine has in DNA strains. Uracil makes a double H-bond with the adenine but does not contain CH4 group which is present in thymine.

4 0
3 years ago
In a field of sunflower plants, 776 plants are tall and 224 plants are short. Sunflower height follows the normal pattern of inh
Nitella [24]

Answer:

The correct answer would be D) tt.

Recessive traits need a homozygous condition to get expressed and to produce a particular phenotype. In contrast, dominant trait can be expressed  in homozygous as well as heterozygous condition of the alleles of a gene.

Now, shortness is a recessive trait encoded by allele "t". Hence, allele "t" must be present in the homozygous condition in order to make the plant short.

Thus, the genotype of all the short plants in the field should be tt and the genotype of the tall plants would be TT or Tt.

4 0
3 years ago
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For many species living in variable environments, sexual reproduction has proven to be a better solution for reproduction than a
luda_lava [24]
CCCCCCCCCCCCCCCCCCCCCCCCCC
5 0
3 years ago
(20 POINTS + BRAINLIEST)
Svet_ta [14]

All amino acids are structurally the same, in that they contain a central carbon atom, an amine group, a lone hydrogen at. Our DNA is contained in our chromosomes. The thing that is different about each of the 20 amino acids is the make-up of the R group

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3 years ago
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