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slamgirl [31]
3 years ago
7

Which one of the following enzymes of nucleotide metabolism is correctly paired with its pharmacologic inhibitor?

Biology
1 answer:
aivan3 [116]3 years ago
7 0

Answer:

A. Dihydrofolate reductase—methotrexate

Explanation:

Dihydrofolate reductase is an enzyme that reduces dihydrofolic acid to tetrahydrofolic acid. Methotrexateis its inhibitor. It interferes with folate metabolism by acting as a competitive inhibitor of the enzyme.

Since folateis necassary for rapid dividing cells, such as cancer cells, methotrexate can be used as anticancer drug that inhibits DHFR.

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You have a cup of beans in front of you with 20 white beans and 20 red beans. (You can also use candy, buttons, or coins). These
AURORKA [14]

Answer:

Number 3

Explanation:

Dominant: 20, Recessive: 20

An allele is the alternative of a gene. On his case, these beans represent the alleles for a simple Mendelian trait, where red is dominant (R) and white is recessive (r).

As states earlier there are 20 red beans (20 dominant alleles) and 20 white beans (20 recessive beans) and each beach represent an allele.

3 0
3 years ago
A rabbit population's birth rate is 200 rabbits born/year. The death rate is 150 rabbits dying/year.
stiks02 [169]

Answer:

It's growing

Explanation:

The growth rate is 50 rabbits per year

8 0
3 years ago
Water molecules have select answer a lesser a greater an equal attraction for sodium and chloride ions than sodium and chloride
irina [24]

Answer:

A greater attraction

Explanation:

Water molecules have A GREATER ATTRACTION for sodium and chloride ions than sodium and chloride ions have to each other.

This is because when salt is added to water, it dissolves, which depicts the level of the covalent bond of water is stronger by separating the ionic bond between sodium and chloride, otherwise, the salt would not have been able to dissolve.

4 0
3 years ago
Predators, like cats, have claws that are useful in catching
Igoryamba

Answer:

A. Morphology

Explanation:

Why is it A?

Because Morphology is, <u>the branch of biology that deals with the form of living organisms, and with relationships between their structures. </u>This means their structure helps their hunting.

6 0
3 years ago
The ____________ is a law that requires an extension of health insurance benefits after termination
MariettaO [177]
<span>The Consolidated Omnibus Budget Reconciliation Act was signed into law by president Ronald Regan, and it is designed to extend health insurance benefits after termination of a certain individual. This act is commonly referred to as COBRA and has some discrepancies with the year it was actually enacted verses the year it was drafted.</span>
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4 years ago
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