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Tanya [424]
3 years ago
10

Jean observes a big bear and two little bears at a national park

Biology
2 answers:
bulgar [2K]3 years ago
6 0

Answer:

O

Explanation:

Because they are kinda cute

V125BC [204]3 years ago
4 0

Answer:

the answer is A, the big bear is the mother of the two little bears

Explanation:

the other things are observations or opinions.

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Which hormone produces increases in size, especially in stem and fruits? auxin cytokinin gibberellin ethylene
Margaret [11]
Both auxin and cytokinin are used to increase size of stem and fruits
5 0
3 years ago
In order for this code to represent a piece of DNA, which base must be replaced by thymine?
HACTEHA [7]
I guess you forgot to add the picture or so.
Based on the Complementarity of the 4 nucleotides, The thymine must always be placed in  front of the Adenine, and the Cytosine must always be placed in front of the Guanine.
Any change in this rule causes the deformation of the DNA, and can sometimes cause fatal diseases like the melanoma (skin cancer) etc...

Hope this Helps! :)
7 0
3 years ago
One might suggest that transposons are more likely to insert in noncoding regions of the genome because they are
topjm [15]

Answer:

they are evolutionary neutral

Explanation:

Transposons are genetic mobile elements that move into the genome by means of cut-paste and copy-paste mechanisms. In consequence, transposons are known to produce mutations in the inserted genomic sequences.

Non-coding DNA regions have been generally assumed to be evolutionary neutral, it means that they might resist genetic polymorphisms (such as, for example, those caused by the insertion of transposon elements) and don't have direct effects on the phenotype of the organism. However, it is important to note that recent evidence supports the idea that noncoding sequences play important regulatory roles, thereby mutations in these genomic regions may have a deleterious effect on the organism.

6 0
3 years ago
Which nitrogenous base would pair with adenine during DNA replication?
Blababa [14]
...........The answer is C


Replication relies on complementary base pairing, that is the principle explained by Chargaff's rules: adenine (A) always bonds with thymine (T) and cytosine (C) always bonds with guanine (G).
3 0
2 years ago
When blood supplies oxygen and food to a cell surface and these molecules diffuse across, we might expect some "resting time." H
siniylev [52]

Answer:

Option (e).

Explanation:

Blood is the main connective tissue of the body. Blood helps in the transport of oxygen, nutrients and the excretory product of the body. Blood also provides immunity as it contains white blood cells.

The resting time is expected during the diffusion process. But the substance continuous back and forth in the body. This is because cells are the main living entity of the organism. The cells are never at rest in order to live and their resting time is not possible.

Thus, the correct answer is option (e).

8 0
3 years ago
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