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3 years ago

Explain how DNA is made

2 answers:

7 0

The key words when describing DNA would be the fact of them contain ing building blocks. They would be through two people, and they would have to co twin two charaterestics that would then make the person, or the RNA then abound.

azamat3 years ago

5 0

Okay, stay with me here...

DNA is made of chemical building blocks called nucleotides. These building blocks are made of three parts: a phosphate group, a sugar group and one of four types of nitrogen bases. To form a strand of DNA, nucleotides are linked into chains, with the phosphate and sugar groups alternating.

Yeah, you might have to reread that a few times, but DNA isn’t an easy topic. It is very complex. I hope this helps!
~Brooke❤️

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What is an acid?<br> What is the ph level of an acid?

Stels [109]

Answer:

• An acid is an electrolyte that hydrolyses in water to release hydrogen ions.

${ \rm{HA _{(aq)} \: \: {}^{ \dashrightarrow} _{ \dashleftarrow} \: \: H {}^{ + } _{(aq)} +A {}^{ - } _{(aq)}}} \\$

• pH level of an acid;

Strong acid → 0 - 3.8
Weak Acid → 4.0 - 6.7

7 0

2 years ago

Barnacles attach to shellfish for transportation. The shellfish is not helped or harmed. This is an example of_

Vesna [10]

The correct answer is:

_________________________________________________

→ " commensalism" .

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<u>Note</u>: "Commensalism" refers to a symbiotic relationship {"symbiosis"} between two (2) organisms — in which one organism benefits and the other organism is neither helped nor harmed.

{ i.e. " +, 0 " ; that is: "plus" sign for "one organism benefits" ;

"zero" sign for "neutral" ;

(in that the other organism is neither helped nor harmed.}.

_________________________________________________

In the example given in the question, the two (2) organisms are:

1) the barnacles; and: 2) the shellfish.

The barnacles benefits by given a place to attach for the purpose of transportation (by using the shellfish to "cling to"}.

The shellfish are neither helped (benefitted in anyways from the attachment from the barnacles— nor are the shellfish harmed in any way.

_________________________________________________

Hope this answer helps you!

Best wishes in you academic pursuits

— and within the "Brainly" community!

__________________________________________________

8 0

3 years ago

Explain its normal role and why scientists would regard it as the "guardian of the genome."

Burka [1]

The gene p53, also called the guardian of the genome is located on the 17th chromosome in human genomes.
It was given this alternative name because it has a role in response to damage of DNA molecule and in preventing cancer.
The protein product of this gene stops the replication of damaged DNA, activates proteins that repair the DNA damage and if the reparation proteins fail to fix the damage it activates the process of apoptosis or so-called cell death in order to prevent the damaged cell to proliferate and potentially develop into a tumor.

5 0

3 years ago

A race car driver injures the right ventral root of his first lumbar vertebrate during a car crash. What major functions could b

Ronch [10]

Answer;

A. Movement in his lower extremities

Explanation;

-The 1st lumbar vertebra or the L1 vertebra is the smallest and most superior of the lumbar vertebrae. As the first vertebra in the lumbar region, the L1 vertebra bears the weight of the upper body and acts as a transition between the thoracic and lumbar vertebrae.

-The lumbar vertebrae contain spinal cord tissue and nerves which control communication between the brain and the legs.

8 0

4 years ago

Read 2 more answers

A change in direction without a change in speed is called velocity

maks197457 [2]

Velocity can vary as long there is specific direction (displacement)

Speed has no direction therefore change in speed is not necessary the velocity...

Velocity is also in a specified direction

4 0

3 years ago