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Biology

1 answer:

Novay_Z [31]2 years ago

5 0

The skin regulates body temperature with its blood supply.

and sensory receptor found in the dermis or epidermis. They are a part of the somatosensory system.

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In photosynthesis, what gives energy to the electron moving through the electron transport chain?

snow_tiger [21]

In photosynthesis of plants, the light gives energy to the electrons moving through the electron transport chain. This Light energy is then converted to chemical energy, which produces ATP; an energy storage molecule and NADPH, a reduced electron carrier. Moreover, light energy is used to pump protons across a membrane to produce a proton-motive force.

5 0

2 years ago

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You have a plant with yellow seeds, which express a dominant phenotype. How would you determine the plant's genotype? Conduct a

Archy [21]

The answer is Conduct a test cross with a purebred recessive plant.

Test cross is the cross between an organism with unknown dominant genotype and an organism with known recessive genotype.

Since dominant trait results from a dominant allele, the test cross can determine if an unknown genotype is heterozygous and homozygous dominant.

If A is dominant allele, and a is recessive allele, then AA is dominant homozygote, Aa is a heterozygote, and aa is recessive homozygote.

According to the Punnett square, if all of the offspring are heterozygote (Aa), then unknown genotype is dominant homozygous (AA). If half of the offspring are the heterozygote, and the other half are recessive homozygote, then the unknown genotype is heterozygote (Aa).