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Makovka662 [10]
3 years ago
10

An original section of dna has the base sequence agcgttaccgt. a mutation in this dna strand results in the base sequence aggcgtt

accgt. this change represents _____. a point mutation a silent mutation frameshift mutation a missense mutation
Biology
1 answer:
ycow [4]3 years ago
8 0
<span>How can a mutation in a DNA base sequence cause a change in a trait?</span>
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A DNA molecule produced by combining DNA from different sources is known as
Digiron [165]

Answer:

A DNA molecule produced by combining DNA from different sources is known as recombinant DNA.​

Explanation:

Recombinant DNA (rDNA) can be obtained by coupling DNA fragments from different sources, a process that is performed at the restriction site level and uses enzymes.  

Once rDNA has been designed —cutting out fragments of DNA that are then reassembled— it must be brought to a specific location in the cells, to be copied and expressed, using means of transport called vectors.

<u>DNA recombination</u> is performed in biotechnology laboratories specialized in the manipulation of genetic material.

The other options are not correct because:

  • <u><em>Mutant or mutated DNA</em></u><em> is a DNA molecule with an alteration of its nitrogenous base sequence </em>
  • <u><em>Hybrid DNA</em></u><em> is a variant of recombiant DNA, in which only two DNA molecules from different sources are used. </em>
  • <u><em>Polyploid</em></u><em> refers to cells containing the genome of different species.</em>
8 0
2 years ago
A force that creates something must be _____.
otez555 [7]
A force that creates something MUST be constructive force so the answer will be B.
8 0
3 years ago
Read 2 more answers
What are the most important arguments for and against driverless cars?
7nadin3 [17]

Pros:

Increase in safety.

Less traffic.

Reduced emissions.

Cons:

Eye-contact

Judgement Calls

Snow

Legal Responsibility

Cost

Lack of Trust

<u>There are many more, these are just a few.</u>

8 0
3 years ago
Help me with the question below​
olga_2 [115]

Answer:

The flow/transfer of energy would be A) sound-electrical-sound

Explanation:

When you are talking on the telephone, you speak, which produces sound. The telephone picks up this energy and converts it to electrical signals, which are then converted back to sound on the other end of the line, thus the answer to your question being A) sound-electrical-sound

3 0
2 years ago
8-3 Mechanisms of Transport. For each of the following statements, answer with a D if the statement is true of simple diffusion,
slamgirl [31]

Answer:

(a) Requires the presence of an integral membrane protein -F

(b) Solutes move down their free energy gradient in the direction of thermodynamic equilibrium - N

(c) Is not subject to saturation - N

(d) Requires the hydrolysis of

ATP - A except secondary active transport

(e) Is a way of establishing a difference in the concentration gradient of solutes across a membrane - D

(f) Applies only to small, nonpolar solutes - D

(g) Applies only to ions - A

(h) Transport can occur in either direction across the membrane, depending on the prevailing concentration gradient - D

(i) Has a positive G(Gradient) - D

(j) Usually has intrinsic directionality

Explanation:

Simple Diffusion is the movement of solutes from a region of higher concentration to a region of lower concentration through a semipermeable membrane.

When then is through a transmenbrane integral protein, it is a facilitated diffusion

Active transport uses chemicals (e.g ATP) to move ions against the concentration gradient (Lower to Higher concentration).

They are two types(Primary and Secondary Active transport). Secondary active transport do not require ATP

5 0
2 years ago
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