Genetics, DNA structure, Heredity

What aspect of the DNA molecule encodes hereditary information concerning an organism's traits?

• The molecular mass
• The sequence of base pairs
• The electrical charge
• The three dimensional shape

During DNA replication, the parent DNA strand CGA AGT GGC is matched with which complementary DNA strand?

• GCU UCA CCG
• GCT TCT CCG
• GCT TCA CCG
• GCU UCT CCG

Which molecules make up a DNA molecule?

• ribose, uracil and phosphate
• deoxyribose, uracil and phosphate
• ribose, thymine and phosphate
• deoxyribose, thymine and phosphate

Why is the S-phase of interphase important in cell division?

• so a new nucleus can be made for each new daughter cell
• so a copy of DNA can be available for each daughter cell
• so excess plasma membrane can be made available for each new cell
• so the proteins needed for cell division can be made

Which is an example of a genetic mutation?

• An extra nucleotide added during DNA replication
• A child that does not look exactly like the parents
• A bacterial cell in a petri dish
• An RNA strand not copied correctly

What two organelles are involved in protein synthesis (creation)?

• nucleus and ribosome
• mitochondria and ribosome
• mitochondria and vacuole
• cell membrane and nucleus

Which best describes the process of translation?

• DNA is rewritten as RNA
• DNA is used to build proteins
• RNA is used to build proteins
• RNA is rewritten as DNA

Why is the DNA sequence of nucleotides important?

• It alters the location of the protein
• It determines the type of protein produced
• It determines the location of the protein
• It determines the amount of energy in the cell

Use the amino acid table on page 150 of the Coach Book.
Which DNA strand wold produce the amino acid sequence
Iso  Tyr  His

• AUU UAC CAU
• UAA AUG GUA
• TAA ATG GTA
• ATT TAC CAT

A young boy has blood type I^A
His parents have blood types I^A and I^B
Which best represents the genotype of the boy?

• I^AI^A
• I^AI^B
• I^Ai
• I^AI^B