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disa [49]
2 years ago
7

The following DNA nitrogen bases (found in nucleotides) match up to make the rungs of the DNA ladder:

Biology
1 answer:
Pie2 years ago
6 0

Answer:

thymine adenine cytosine and guanine

Explanation:

hope this helped im not 100 percent sure

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2 years ago
In a carbon dioxide molecule (O=C=O), which statement is true of the electrons?
Svetllana [295]

Answer: Option A.

The electrons are being shared between the carbon and oxygen atoms.

Explanation:The electrons are being shared between the carbon and oxygen atoms because each oxygen share four electrons with the central carbon, therefore carbon atoms have 8 electrons that is shared with oxygen. The oxygen have two shared pairs in double bond and two lone pairs in non bonding. Carbon and oxygen form covalent bond. This satisfies the octet rule because the electrons are shared in both oxygen and carbon octet.

In a carbon dioxide molecule (O=C=O),

6 0
2 years ago
HELP ME I AM BEGGING YOU! 7th grade science.
777dan777 [17]

Answer:

E.

Explanation:

Im sorry if it's wrong but that's what I would go with

4 0
2 years ago
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What structure stimulates the male penis during intercourse? please help.
UkoKoshka [18]
I think the answer will be C (Uterus).
6 0
2 years ago
Show how the alleles for tall plant height and short plant height are segregated from each other during gamete formation
KonstantinChe [14]

Answer:

"T" X "t" yields offspring that are all heterozygous with genotype "Tt"

Explanation:

An Allele refers to either of a pair of contrasting genes.

So, "TT" being the same yeild just one allele (T), while "tt" also yield one allele (t)

So, the cross of the both alleles

"T" X "t"

yields offspring that are all heterozygous with genotype "Tt"

Thus, the crossing dominant tall plant height "TT" and recessive short plant height "tt" yielded heterozygous tall plants "Tt"

5 0
3 years ago
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