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Naddik [55]
3 years ago
10

100 POINTS! WILL MARK BRAINLIEST!

Biology
2 answers:
Dennis_Churaev [7]3 years ago
8 0

Answer:

C

Explanation:

mars1129 [50]3 years ago
4 0

Answer:

C

Explanation:

I took the test.

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Recently, genes have been indentified in angiosperms that are important in preventing pollen from germinating or growing into th
Marizza181 [45]

Answer:

D. Sterility Locus

Explanation:

Angiosperms have several mechanisms to prevent self-pollination due to the advantage of cross-pollination. One of such mechanisms is self-incompatibility genes present on the sterility locus.

These genes determine the germination of the pollen on the stigma. If both the pollen and stigma carry the same allele of the gene present at the sterility locus, the germination of pollen is prevented.  

The sterility locus has multiple alleles and the presence of the same alleles at the same locus in both pollen and stigma prevents the pollen germination.

For example, pollen from S1S2 individuals can not germinate on the stigma with the S1S3 genotype. Here, the pollen does not obtain water as required for germination from the stigma and are unable to germinate.  

5 0
3 years ago
Which one of the following accurately describes the reactions within photosynthesis?
zvonat [6]
It's probably C. Because it makes the most sense and photosynthesis doesn't make ATP and if you don't think C. Is the answer then put D.
7 0
3 years ago
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stars of average mass, such as our sun, undergo fusion. what is the most massive element that can result from this process
Gennadij [26K]
It depends on the life stage that the star is in. Currently, in the mid-life stage, the sun is still fusing hydrogen into helium, so the maximum here is helium; however, far in the future when the star is nearing its final days, it can fuse atoms into elements as heavy as iron and nickel.
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3 years ago
The directions for each amino acid in a polypeptide are indicated by a codon that consists of ________ nucleotide(s) in an RNA m
ipn [44]

Answer:

3 nucleotides in an RNA molecule.

Explanation:

Protein synthesis in the cell produced by RIBOSOMES requires a lot of energy and it's has the highest mass in living organisms. Protein synthesis involve the process where Messenger RNA (MRNA) message is converted to a polypeptide product. The transcription in the cell produced messenger RNA. The translation of mRNA template converts nucleotide-based genetic information into a protein product. The protein sequences contain about 20 Ami o acids and each amino acids is defined by three nucleotides sequence which is called triplet codon. The relationship between nucleotides codon And amino acids is called genetic code

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3 years ago
Anyone please inbox me​
sashaice [31]

Answer: Why?

Explanation: I hope you are okay.

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3 years ago
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