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Verdich [7]
2 years ago
14

Summarize how structure relates to function and give an example:

Biology
1 answer:
Dvinal [7]2 years ago
7 0

Answer:

The structure and shape of a skeleton gives the body shape and the ability to move if relevant structures are in place, such as; tendons, muscles and ligaments

Explanation:

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Brown spotting of the teeth in humans is caused by a dominant X-linked gene. If a man with normal teeth marries a woman with bro
nata0808 [166]

Answer:

25%

Explanation:

The female with brown teeth had a father with normal teeth. Since normal teeth is a recessive trait, the father would have been homozygous recessive for the trait and would have transmitted one recessive allele to the female. Therefore, the female is heterozygous dominant for brown teeth.

Let's assume that the allele for brown teeth is X^B while the one for normal teeth is X^b. The genotype of heterozygous dominant female would be X^BX^b and that of the male with normal teeth would be X^bY.

A cross between X^BX^b and X^bY gives progeny in following phenotype ratio= 1/4 daughter with brown teeth: 1/4 daughter with normal teeth: 1/4 son with brown teeth: 1/4 son with normal teeth. Therefore, the probability of having a daughter with brown teeth is = 25%

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3 years ago
​____ allow bacteria to join together to transfer genes.
anzhelika [568]
The answer is pilus. This structure joins two bacteria of same species and allow exchange of genetic material in a process called horizontal gene transfer (conjugation). The plasmid of one of the bacteria (the mobile plasmid) is nicked once and the strand moves through the pillus to the other bacteria. It combines with the other plasmid or chromosome to for recombinant dna.
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3 years ago
What prevents the lac genes in the DNA of E. colin from being expressed most of the time ?
Alona [7]
The lac repressor prevents the lac genes in the DNA of E. coli from being expressed most of the time. The answer to your question is A. I hope this is the answer that you are looking for and it comes to your help.
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Name three organisms that perform photosynthesis
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Name three plants like trees, sunflowers, and grass
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Where do tornados form?
yulyashka [42]
<span>B: within hurricanes that come from Canada</span>
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