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Mariulka [41]
3 years ago
13

Dna can be recovered from skin cells, hair follicles, and body fluids. the recovered dna can be used to make dna fingerprints. h

ow do dna fingerprints help police
Biology
1 answer:
sladkih [1.3K]3 years ago
7 0
DNA fingerprints help the police by providing the information needed to compare the DNA found at the crime scene to any documented DNA of any person through their data base to find the criminal.
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Give an example of special plant cells and special human cells that absorb nutrients
Sunny_sXe [5.5K]

Answer:

Specialised plant cell-- root hair cell

specialised human cell-- villi (found lining the walls of the small intestine)

Explanation:

6 0
3 years ago
What is the ratio of a minerals Mass to its volume
Mama L [17]

density and specific gravity are properties used to help identify minerals. Density is a measure of the mass of a certain volume of the sample. Specific gravity is a unit less measure, and it is the ratio of the mass of a substance to the mass of an equal volume of water. density and specific gravity are properties used to help identify minerals. Density is a measure of the mass of a certain volume of the sample. Specific gravity is a unit less measure, and it is the ratio of the mass of a substance to the mass of an equal volume of water.

6 0
3 years ago
The liquid part of the cell; contains organelles and dissolved nutrients and salts
Alika [10]

Answer: the answer is cytoplasm  :]

Explanation:

3 0
3 years ago
3. El ARNt con anticodones es, tenga en cuenta el ARNm que ya está separado por codones.
storchak [24]

Answer:

AUG CAG UUC UUG CGC GAA UAA GCA AU

Explanation:

tRNA pairs with mRNA to make a chain of amino acids that form a protein, through the process of translation. The anti-codons in the tRNA are complementary to the codons in the mRNA. Through the rules of complementary base pairing, A always pairs with T/U and G always pairs with C.

T/U is because in DNA, the base is thymine (T), but in RNA, the base is uracil (U).

Therefore, wherever you see a U in the mRNA sequence, the complementary tRNA is A. Whenever you see an A, the complementary tRNA is U. Whenever you see a G the complementary base is C, and whenever you see a C, the complementary base is G.

8 0
3 years ago
When the voltage of a plasma membrane shifts from +30mv towards 0 mv, we say the cell is
stealth61 [152]
When voltage of a plasma membrane shifts from +30mV towards 0mV, we say cell is repolarizing. Repolarization results from the movement of positively charged K+ ions out of the cell. This repolarization phase of an action potential results in hyperpolarization, attainment of a membrane potential that is more negative than the resting membrane potential. 
3 0
4 years ago
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