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gregori [183]
3 years ago
6

Where would the rate of erosion caused by water and gravity be the fastest? A. down the slope of a tall mountain B. down a hills

ide C. over an area of flat land D. in a V-shaped valley
Biology
2 answers:
Karo-lina-s [1.5K]3 years ago
7 0

Answer:

A. Down the slope of a tall mountain

Explanation:

For anyone looking at this in the future, hope this helps!

Amiraneli [1.4K]3 years ago
3 0
The correct answer is D

Happy studying!
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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
3 years ago
Perms have a flagellum which makes them____ *<br> 10 points<br> motile<br> non-motile
nekit [7.7K]

Answer:

non-motile

Correct

7 0
3 years ago
A boy received one dominant allele for brown hair from his father and a recessive allele for blonde hair from his mother. ​Which
Damm [24]

Well say the father had the genotype BB (dominant brown) and his mom had the genotype bb (recessive blonde).

If the boy got only one allele of brown hair and his phenotype is brown hair, then his genetic type is Bb

He is heterozygous (has two different alleles). But since brown hair is dominant, his phenotype is brown hair. But he does have the blonde recessive allele.

Hope this helps!

3 0
3 years ago
Which of the following statements is TRUE about competition between organisms with the same needs when resources are limited?
netineya [11]

Answer:

animals are the only organisms that compete for resources

Explanation:

this is due to the fact that plants take up resources passively, a method which doesn't require them to waste any energy, however in the case of resources, is not very effective. suppose there was a bit of water scarcity in your area, and a plant and you both need water for survival. obviously, the plant cant possibly do anything to receive these resources, as it is just a plant. its survival is based merely on the chance that you pour water into it. this is not the case for animals, which, like us, actively collect and gather resources, and use them to our advantage.  therefore, animals are the only animals that compete for resources

6 0
3 years ago
Decomposers are an important part of the
Nookie1986 [14]
The answer is B because when something decomposes the nutrients are absorbed by the soil to use.
8 0
3 years ago
Read 2 more answers
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