Biology 2nd Semester Review

Which set of chromosomes has the trisomy? (Answer with only the number digits.)

(a)  

Tags

NGSS.HS-LS3-2

Which of the structures in this image is composed of RNA?

• II and IV

• III and IV

• I and V

• III and V

The process shown here is called ______.

• Translation

• Replication

• Monoploidy

• Transcription

Tags

NGSS.HS-LS1-1

Structure III represents a(n) _______.

• Gene

• Amino Acid

• Codon

• DNA Molecule

Tags

NGSS.HS-LS1-1

This is a template DNA sequence: CCGTTA. This is the partially-completed mRNA strand transcribed from the DNA template: GGC. What is the next nucleotide that will attach?

• A

• C

• T

• U

A karyotype shows

• the number of genes

• polygenic traits

• the number of chromosomes

• multiple alleles for a trait

One of the important functions of DNA is to

• hold the genetic code for proteins in the nucleus.

• take the protein code from the DNA to the ribosomes.

• take amino acids in the cytoplasm to the ribosome.

• attach the amino acids together.

Tags

NGSS.HS-LS1-1

The function of tRNA is to

• hold the genetic code for proteins in the nucleus.

• take the protein code from the DNA to the ribosomes.

• take amino acids in the cytoplasm to the ribosome.

• attach the amino acids together.

A base pair that can be found in an RNA molecule is

• A-T

• C-T

• U-A

• C-U

The function of mRNA is to

• hold the genetic code for proteins in the nucleus.

• take the protein code to the ribosomes.

• take amino acids in the cytoplasm to the ribosome.

• attach the amino acids together.