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Lemur [1.5K]
3 years ago
6

Ralph is looking at a blood vessel under a microscope as part of his study about the cardiovascular system. He notices that the

vessel contains blood and has valves. What is the blood vessel that he is observing?
Biology
2 answers:
coldgirl [10]3 years ago
8 0

Answer:

Veins

Explanation:

inn [45]3 years ago
3 0

Answer:

the person is correct its VEINS

Explanation:

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Answer:

C.

Because plants reproduce like humans. It may seem like it is the wrong answer but it is right. I learned this in eighth grade my guy.

Explanation:

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________ is the main form in which carbon dioxide is carried in the blood.
V125BC [204]

Carbon dioxide is transported in the blood in three ways: (i) dissolved in solution; (ii) buffered with water as carbonic acid; (iii) bound to proteins, particularly haemoglobin. Source: https://academic.oup.com/bjaed/article/5/6/207/331369

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James looked at a picture of rock layers while studying how scientists determine the ages of rocks. He looked at the variety of
katen-ka-za [31]

Answer:The answer would be C.

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6 0
3 years ago
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Which statement is best supported by this table?
Harlamova29_29 [7]

I think the answer is C


6 0
3 years ago
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If the two oligonucleotides are allowed to anneal and the DNA polymerase and all substrates (4 dNTPs, etc.) are added to the mix
Lorico [155]

Answer:

d. T

Explanation:

For a given DNA sequence, the array is represented as:

5'ATCCTGGACACTGTACCATCGGTACCAATCACAGGTCCTTACAGT 3'

And the premier; 5' GGACCTGTGA 3' attaches to the complementary base on the DNA sequence.

i.e.

5'ATCCTGGACACTGTACCATCGGTACCAATCACAGGTCCTTACAGT 3'

*AGTGTCCAGG

Thus, the first nucleotide that will be incorporated into the DNA will be T

5 0
3 years ago
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