Unit 3 LC1 Review

Which of these best describes the relationship between DNA, proteins, and life functions?

• DNA is made of proteins; proteins code for genes; genes carry out life functions

• DNA is made of genes; genes code for proteins; proteins carry out life functions

• Genes are made of proteins; proteins code for DNA; DNA carries out life functions

• Genes are made of DNA; DNA codes for proteins; proteins carry out life functions

Tags

NGSS.HS-LS1-1

Which process must be completed before a cell reproduces/divides?

• Mitosis

• Mutation

• Differentiation

• DNA Replication

Which of the following best describes the process in which a cell creates an mRNA from DNA inside the nucleus of the cell?

• Transcription

• Translation

• Mitosis

• DNA Replication

What are the 3 parts of a DNA nucleotide?

• Calcium, sugar, nitrogen

• Sugar, phosphate, nitrogen base

• Sugar, hydrogen, nitrogen base

• Phosphate, calcium, nitrogen base

If a DNA molecule contains 15% cytosine, what percent of thymine is in the DNA molecule?

• 15%

• 30%

• 35%

• 70%

Which of the following lists the parts and functions of a gene correctly?

• Promoter (starts), Introns (non-coding section), Exons (coding sections), Terminal Sequence (stop)

• Promoter (stops), Introns (non-coding section), Exons (coding sections), Terminal Sequence (starts)

• Promoter (starts), Introns (coding section), Exons (non-coding sections), Terminal Sequence (stop)

• Promoter (stops), Introns (coding section), Exons (non-coding sections), Terminal Sequence (start)

What is a gene?

• A segment of DNA that codes for a nucleotide

• A segment of RNA that codes for a protein

• A segment of DNA that codes for a protein

• A segment of RNA that codes for a mutation

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which nitrogen bases pair up from a DNA molecule to an RNA molecule?

• A-T and C-G

• A-C and T-G

• A-U and G-C

• A-G and T-C

How many nucleotides are needed to code for one amino acid?

• 1

• 2

• 3

• 4

During Translation, which of the following get linked together to form the protein encoded by the sequence?

• Nucleotides

• Amino Acids

• Ribosomes

• Fatty Acids

Tags

NGSS.HS-LS1-1