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insens350 [35]
3 years ago
13

16. ) A ___ is the structure that contains the DNA of the cell.

Biology
2 answers:
Deffense [45]3 years ago
6 0

Answer:

the closest answer is b.

Explanation:

The nucleus contains most of the DNA in a cell and this DNA is called the chromosomal DNA.

AVprozaik [17]3 years ago
5 0
Answer: chromosome .(B

Explanation:
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This facility was built in 1980 to provide astronomers throughout the world an opportunity to see and collect detailed data from
zzz [600]

Answer:

D) Los Alamos National Laboratory

Explanation:

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3 0
3 years ago
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What statement best describes how tornadoes form?
Finger [1]

Answer:

b warm wet air rises and punches cold dry air down causing the air to spin

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Can someone help me please
ziro4ka [17]
The electron transport chain and ATP synthase are embedded in the inner mitochondrial membrane.The electrons flow through the electron transport chain, causing protons to be pumped from the matrix to the intermembrane space. Eventually, the electrons are passed to oxygen, which combines with protons to form water.
4 0
3 years ago
The proportions of the bases are consistent within a species; however they do vary between species. Using the base-pair rules, c
Snezhnost [94]

Answer:

The correct answer would be:

                  A         G          C         T

Human:   31          19          19       31

Cow:         28         22      22         28

Salmon:     29       21       21         29

Wheat        27      23        23        27

Yeast         31         19       19         31

Explanation:

According to the rule of Chargaff which states or explains the amount of the A, T, G, and C bases in the DNA molecule. It says that the DNA of any organism should have a pyrimidine and purine ratio of 1:1. This means the amount of A would be equal to T and the amount G should be equal to the amount of C.

It also says that the amount of a and G would be equal to the amount of C and T. So on the base of this we can find the missing value in the table:

                    A         G          C         T

Human:   31          19          19       31   (A= T and G=C)

Cow:         28         22      22         28  (A= T and G=C)

Salmon:     29       21       21         29   (A= T and G=C)

Wheat        27      23        23        27 (100 - A+T = G+C)

Yeast         31         19       19         31 (A= T and G=C)

5 0
3 years ago
Which kind of ecosystem does the photograph most likely show?
solniwko [45]

Answer:

D. Swamp

Explanation:

The photograph shows an ecosystem that is saturated by water. The plant species shown in the photograph are mostly trees and wooden species. These are characteristics of a swamp ecosystem. A swamp ecosystem is a wetland characterized by trees and wooden species. Therefore, the photograph shows a swamp ecosystem.

7 0
3 years ago
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