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Maurinko [17]
4 years ago
15

The question is true or false and correct the error.

Biology
1 answer:
tresset_1 [31]4 years ago
4 0
This should be true.
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On a molecular level, explain what happens when a kite lifts into the air?
NeTakaya

The difference in air pressure which is created by the molecules in air help to move kite up into the air.

<u>Explanation:</u>

When air moves faster, pressure of air becomes less. Air moves at a faster speed above the kite than below it and so its pressure is less on top of kite. The air pressure below kite is less. This difference in pressure results in uplifting of kite. Molecules of air with high pressure exerts more force on kite from bottom and thus pushing it up in air.

The greater is the difference between air pressure above kite and air pressure below kite, greater is the amount of force exerted on kite and hence, it reaches a greater height.

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3 years ago
ITEM BANK: Move to Bottom
Sholpan [36]

Heterozygous Red- Rr

Homozygous Red-- RR

Homozygous white-- rr

Monohybrid cross- Rr

Recessive allele- homozygous white i.e rr

Explanation:

Heterozygous have 2 different alleles of a gene as both Red and white alleles are present in the example Rr.

Homozygous: If the 2 alleles at a locus is same then they are homozygous, it can be dominant as RR or recessive as rr.

Recessive gene are the ones that can be masked by the dominant genes as red is dominant on white.

Monohybrid cross is the result of cross between the individual having either homologous dominant or recessive genes or genotype. The result is generally masking the recessive allele resulting in dominant phenotypic trait but the genotype changes.

From the example given in question:

A cross between dominant red as RR

and a cross between recessive white as rr

The punnet square shows:

  r     r

R Rr  Rr

R Rr   Rr

it can be seen that all progeny are red but genotype changed to heterozygous red as Rr

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In northern blot analysis of mRNA, what mRNA differences would you anticipate for your two proposed mutational mechanisms? Check
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