BIOLOGY HIGH SCHOOL

A mutationA
is a person or an animal randomly selected from the population.

B
is a random change in a cell's DNA.

C
always occurs when the male's sperm joins the female's egg.

D
is produced by mating two different species.

Answers

Answer 1
Answer:

Answer:

I'm pretty sure it's D. bc a mutation is something that's created from mixing two different species

Answer 2
Answer:

Answer:

B (is a random change in a cell's DNA)

I just had this question

Explanation:

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Which climate is found closer to the equator? Tropical rain forests tropical savannas humid subtropics

Answers

Answer:

Tropical Rain Forests

Explanation:

Members of which two domains of life are composed of one or more prokaryotic cells?

Answers

Domain Archea and domain Bacteria

A heterogeneous mixture is a

Answers

A heterogeneous mixture is a mixture in which the components of that mixture can be seen and taken apart easily. 

Example:- Chex mix is a brand of chips/snacks that its components can be easily seen apart. 

B. mixture in which its components retain their identity.

About 96% of the information in human DNA is found in gorilla DNA. This evidence supports which statement?

Answers

The correct answer to the question above would be "Gorillas and humans diverged from a common ancestor." About 96% of the information in human DNA is found in the DNA of a gorilla. This evidence supports that both humans and gorillas came from a common ancestor.

Since there are no statements, about 96% of the information in human DNA is found in gorilla DNA. This evidence supports that humans indeed are somewhat connected to the monkey and that missing link of Darwin’s theory of evolution has finally found its missing piece.

 

What is a nucleic acid? Explain your answer.

Answers

Nucleic acids are the main information-carrying molecules of the cell
Nucleic acids are the main information-carrying molecules of the cell, and, by directing the process of protein synthesis, they determine the inherited characteristics of every living thing.

Review the numbered items below. Then, decide which of the following lists the correct steps of translation in the correct chronological order. I. UGA codon is identified.
II. DNA is unwound to expose a single template strand.
III. tRNA molecules carrying various amino acids bond to mRNA based on the sequence of mRNA codons.
IV. mRNA arrives at the ribosome
V. Introns are snipped out of an mRNA molecule.
V. tRNA, carrying methionine amino acid, bind to mRNA.

Answers

Answer:

IV, VI, III, I

Explanation:

Translation is the process of synthesis of protein from with the help of messenger RNA (mRNA).

The process of translation include initiation, elongation and termination.

  • Initiation: In this step mRNA binds to ribososomes and tRNA, carrying start codon or methionine binds to mRNA.
  • Elongation:In this step, the tRNA molecules carrying several amino acid bind to mRNA based on the sequence of mRNA codon and then moves (translocates) to the next mRNA codon which leads to amino acid chain.
  • Termination: At the end, when a stop codon (UGA) identified, polypeptide is released.

So, the correct chronological order is IV, VI, III, I.
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