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Diano4ka-milaya [45]
3 years ago
10

Which combination of particle and charge is correct?

Biology
1 answer:
kow [346]3 years ago
4 0
A) proton: positive charge
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1,why Dna coiled to histone protien 2,what is difference bewteen co-factor and prosthetic group 3,why child get mitrochondrion f
Artyom0805 [142]

Answer:

DNA coiled to Histone protein.

Explanation:

1) DNA wrap itself around the histone protein due to the negative charge on the histone, that packed DNA tightly so that it can't be used in protein synthesis.

2) Prosthetic groups are itself co-factors that bind tightly to enzymes or proteins. they can be organic or metallic ions and attached to proteins by covalent bond.

3) The transfer of mitochondrial DNA (mtDNA) from mother to  her offspring is known as  maternal inheritance. only female can transmit  mtDNA beacuse, it can be transmitted through female eggs only. One can inherit mtDNA from exclusively their mother.

7 0
4 years ago
For most genes on the human X chromosome, what percent of XY males with a mutant allele on the X chromosome will express the mut
Nitella [24]

Answer:

D. 100%

Explanation:

In humans, males have only one copy of the X chromosome in their cells. Therefore, human males express all the X-linked genes present on their X chromosomes irrespective of the recessive or dominant nature of the allele. This occurs since males do not have one more copy of the X chromosome to carry another allele for the gene. So, all the X-linked alleles present on the X-chromosomes of the human males are expressed.

For example, human males with genotype X^cY and X^hY express colorblindness and hemophilia respectively. Though, human females express these recessive X-linked disorders in homozygous genotype only.

5 0
4 years ago
Which class of anti-HIV drug targets the virus before it enters cells?
Tju [1.3M]
The correct answer is enter inhibitors or fusion inhibitors.
<span>
Enter inhibitors are a class of <span>antiretroviral drugs, used for the treatment of </span>HIV infection. Enter inhibitors interfere with the binding, fusion and entry of a virus to a human cell by <span>binding to human cellular co-receptors.</span></span>
7 0
3 years ago
Which of these is a disadvantage of hydrogen fuel cells?
Evgesh-ka [11]

Answer:

Hydrogen fuel is expensive to produce and transport

8 0
3 years ago
Help this is due in 30 minutes. Could a Type B child with a Type A mother have a Type A father? Explain.
tekilochka [14]

no

cuz both are type A so the child has to be a type A

4 0
3 years ago
Read 2 more answers
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