Bio II Semester 1 Review

Transcription is the process of copying _____ into _____.

• RNA; proteins

• Proteins; RNA

• DNA; RNA

• RNA; DNA

Translation is the process of turning _____ into _____.

• RNA; proteins

• Proteins; RNA

• DNA; RNA

• RNA; DNA

The codon CCC corresponds with which amino acid?

• Isoleucine

• Threonine

• Leucine

• Proline

A tRNA with the anticodon GUC will bind to an mRNA strand with the sequence

Which of the following is a difference between eukaryotic and prokaryotic cells?

• Eukaryotes have a nucleus; prokaryotes don't

• Prokaryotes have chloroplasts; eukaryotes don't

• Eukaryotes have cytoplasm; prokaryotes have a cytoskeleton

• Prokaryotes have a cell wall; eukaryotes have a cell membrane

Which of the following are instances of a human maintaining homeostasis? Choose ALL that apply.

• Shivering when the body temperature drops low

• Eating spicy food and getting a stomach ache

• Yawning to deliver more oxygen to the brain when it's depleted

• Putting on sunscreen to prevent getting a sunburn

Tags

NGSS.HS-LS1-3

Which of the following would NOT be needed to build a DNA plasmid?

• adenine nucleotides

• uracil nucleotides

• ribose sugar molecules

• phosphate groups

Water molecules readily form hydrogen bonds with each other because these atoms have what type of bond?

• Hydrophobic

• Ionic

• Nonpolar covalent

• Polar covalent

In a water molecule, the oxygen atom is slightly _____ while the hydrogen atoms are slightly _____.

• Positive; negative

• Negative; positive

A dehydration reaction involves the formation of water and a bond after the removal of which two functional groups?

• Amino (NH3+) and carboxyl (COO-)

• Carboxyl (COO-) and H+

• Methyl (CH2) and H+

• Hydroxyl (OH-) and H+