Answer:
Scientists might replicate a strand of DNA using PCR before sequencing it. Once the sequence is known, they can produce a corresponding gene probe
Explanation:
PCR refers to the polymerase chain reaction that amplifies the small sample of DNA into multiple copies in three steps. These steps are denaturation of sample DNA to produce single-stranded template strand, binding of primer to the template and elongation. The multiple copies of the sample DNA are then used to decipher its sequence using various sequencing methods.
Once the sequence of the sample DNA is known, the short, single-stranded DNA molecules that are complementary to the specific sequence of DNA are formed. These single-stranded DNA molecules are called DNA probe and are used to detect the specific nucleotide sequence in some other sample DNA.
Re: A car driver automatically brakes if a child dashes across the road.
<span>This is called a .............................................. reaction.
answer: reflex</span>
<span>The importance of sexual reproduction in angiosperms is same as sexual reproduction of others organims that is to provide genetic variation. However, sexual reproduction of angiosperms also produce seed. Production of seed with fruit is what specific to angiosperm this phylum. so you can find some points regard the advantanges of producing seeds in angiosperms. This can used as addition point.
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Answer:
animals that feed on flesh
Explanation:
Carnivores are those animals that feed on flesh of other animals. Examples of carnivores are lion, tiger, dog and cat etc. There are three types of animals on the basis of feeding behaviour i. e. herbivores are those organisms that feed on plants such as cow goat, deer etc, carnivores are the animals that feed on flesh and omnivores are those organisms that feed on both plants and flesh e.g human and bear.