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mote1985 [20]
3 years ago
6

What does this image represent

Biology
1 answer:
julsineya [31]3 years ago
5 0
You have to show me the image to help
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What is a double membrane that surrounds the nucleus in the cell ??
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Nuclear Membrane

The nuclear membrane is a double layer that encloses the cell's nucleus, where the chromosomes reside
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PLEASE HELP!!!!!!!
lys-0071 [83]

Answer:

When the required direction of transport is opposed to concentration levels, a cell <u>will </u> expend energy to force<u> ions</u> across its membrane.

Explanation:

If the concentration gradient is opposite to the direction of transport of minerals, then the cell will use energy to transport mineral ions from a lower concentration to a higher concentration. The most common process through which this happens is termed as the active transport.

The process of active transport is opposite to passive transport. In passive transport, molecules move from a higher concentration to a lower concentration.

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Enzymes speed chemical reactions by
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A. Decreasing amount of energy needed to start a reaction.
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In a certain aquatic biome, the fish and turtles feed on sea grasses. Recently, the availability of sea grasses in that aquatic
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The type of competition that exist between the two species is INTERSPECIFIC COMPETITION.
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4 0
3 years ago
Attached earlobes are recessive to free earlobes. What genotypic ratio is expected when an individual with attached earlobes mat
Marianna [84]

Answer:

C

Explanation:

This is a monohybrid cross between involving a gene coding for earlobe. The allele for free earlobe (F) is dominant over that of attached earlobe (f).

N.B: let F represent the gene involved.

A genotypic ratio is the ratio derived from the offsprings based on the actual genetic make-up and not based on their phenotypic appearance as in phenotypic ratio.

A homozygous individual is an individual having the same kind of alleles for a gene while a heterozygous individual is one that has two different alleles i.e. combination of the dominant and recessive allele.

The monohybrid cross is between an individual with attached earlobe (ff) i.e. homozygous recessive individual. (Note that, a recessive trait will only be expressed in a homozygous state) and a heterozygous free earlobeb individual (Ff). (See attached picture). Ff × ff

The resulting four offsprings will

be expected to have only two distinct genotypes i.e heterozygous (Ff) and homozygous recessive (ff) in an equal ratio i.e. 2:2 ~ 1:1

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3 years ago
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