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Nesterboy [21]
3 years ago
12

Enzymes are protein molecules, which are made of long chains of

Biology
1 answer:
Rom4ik [11]3 years ago
4 0

enzymes are protein molecules which are made of amino acids

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The dumping of garbage caused the population of crabs in an area to drop from 2,000 to 500. Crabs eat algae and are preyed on by
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Algae will be overgrown and larger fish will begin to die out as the carrying capacity has lowered due to a limit in food.
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3 years ago
Digestion begins when
Pavel [41]

Answer:

Hi there!

Your answer is:

A. the esophagus passes food to the stomach

Explanation:

The the digestive process isn't fully about the action of digestion! The digestive process begins in your mouth, where salivary glands moisten the food to allow easier transport down the esophagus

I hope this makes sense!

6 0
3 years ago
A gene that affects hair length in dogs has two alleles. The allele for short hair (L) is dominant
Lelechka [254]

Answer:

This question lacks options, the options are:

A. Only recessive alleles are inherited from homozygous parents.

B. Dominant alleles grow weaker as they are passed from parents to offspring.

C. Only the parent with a dominant allele can pass that allele to offspring in sexual reproduction.

D. A heterozygous parent has an equal chance of passing either the dominant allele or the recessive allele to offspring.

The answer is D

Explanation:

This question involves a single gene coding for hair length in dogs. The allele for short hair (S) is dominant over the allele for long hair (s). This means that allele 'S' will always mask the phenotypic expression of allele 's' in a heterozygous state.

According to the question, two heterozygous dogs (Ss) were crossed to produce 6 shortt-haired offsprings and 2 long-haired offsprings. An heterozygous organism is that which contains two different alleles for a particular gene i.e. a combination of dominant and recessive alleles.

Based on this, during meiosis or gamete formation, an heterozygous dog (Ss) will produce gametes with the short hair allele (S) and long hair allele (s) in equal proportion i.e. 50-50. When the two gametes containing the recessive alleles (s) produced by each heterozygous parent fuses, an offspring with a recessive phenotype (long hair, ss) is produced.

Hence, a long-hair

phenotype can appear in the offspring of two short-haired dogs because a heterozygous parent has equal chance of passing either the dominant or recessive allele to the offspring.

6 0
3 years ago
Which of the following reduces the number of protons in the nucleus of an atom by 2?
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Ciara is a 32-year-old female. She recently went to the doctor because she was experiencing dizziness, swelling, and difficulty
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Answer:

Increase in blood flow; increase in blood pressure

Explanation:

4 0
3 years ago
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