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dsp73
3 years ago
5

What enzyme is used to make radioactive labeled DNA

Biology
1 answer:
ELEN [110]3 years ago
3 0

Answer:

Explanation:

DNA polymerase

Use of radioactive deoxyribonucleotides as raw material for DNA synthesis makes DNA polymerase to use these radioactively labeled dNTPs to make new DNA strands. Hence, DNA polymerase enzyme can make radioactively labeled DNA by using radioactive deoxyribonucleotides as raw material.

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Cell membranes are made up of a bilayer of phospholipids that are very selective about what substances can pass through.The tabl
Svetach [21]

Answer:

Water, carbon dioxide, and oxygen are among the few simple molecules that can cross the cell membrane by diffusion (or a type of diffusion known as osmosis ). Diffusion is one principle method of movement of substances within cells, as well as the method for essential small molecules to cross the cell membrane.

5 0
2 years ago
Read 2 more answers
) Which of the following statements about transcriptional regulators is false? (a) Transcriptional regulators usually interact w
OverLord2011 [107]

The false statement is: (a) Transcriptional regulators usually interact with the sugar–phosphate backbone on the outside of the double helix to determine which DNA sequence to bind.

Transcriptional regulator or factor is protein with the ability to control and regulate gene expression at the transcription level by binding to DNA. Transcriptional factors have domain-DNA-binding domain which contains structural motif that recognizes DNA and it is responsible for the attachment to specific DNA sequence. It usually binds to the DNA major groove (hydrogen bonding) because it is less degenerate than that of the DNA minor groove.  

Transcriptional factors also contain trans-activating domain for the binding of other proteins and signal-sensing domain for the detection of external signals.

6 0
3 years ago
You observe two populations of chimpanzees using sticks to dig termites out from nests for food. One population uses long sticks
icang [17]

Answer: B. The population using long sticks has mostly long sticks in its environment

Explanation:

Going back to the statement that reiterates the hypothesis after observations about the apes in the Introduction.

Reviewing the findings in this case, on the behavior of using sticks to dig seem to be the focus the experiment and choice length of the stick.

Making a judgment about whether or not the two finding has been supported is next step.

If there are equal numbers of short and long sticks in the environment of each population and the apes chooses one specific we can say their behavior is learned.

 If the chimpanzees using short sticks have made the the sticks short by breaking long sticks then we can say this behavior is learned.

When the Young chimpanzees in both populations start out using sticks of many different sizes we can see that these variables of learning is yet to be perfected.

When individuals in the population that don’t use the common stick length for that population catch fewer termites this reveals a randomness in the behavior of interest.

At this point we can say that if the population using long sticks has mostly long sticks in its environment then there is a biased objective in the study and this does not support the hypothesis that the choice of stick length is a learned behavior.

3 0
3 years ago
ADP only has two phosphate groups true or false
aliya0001 [1]

Answer:

true ADP has two phosphates.

Explanation:

as it is named as ADP which is adenosine di phosphate this 'di' express that it has 2 phosphates

8 0
3 years ago
9.. Water enters the atmosphere as water vapor when liquid water ______
SOVA2 [1]
I would think boils, because it then evaporates making “water vapor” into the atmosphere.
8 0
3 years ago
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