Cypress College » Biology » Biology 241 - Accelerated General Human Physiology » Summer 2021

Question #1

Which of the following organelles is the site of protein synthesis?

A. lysosomes

B. ribosomes

C. mitochondria

D. peroxisomes

Question #2

Which of the following contains the anti-codon sequence and binds the amino acid for protein synthesis?

A. tRNA

B. rRNA

C. DNA

D. mRNA

Question #3

Transcription factors

A. bind to the mRNA sequence and bind to the promoter sequence of DNA

B. directly activate or inhibit the production of mRNA and bind to the promoter sequence of DNA

C. bind to the mRNA sequence and directly activate or inhibit the production of protein

Question #4

The internal region of the phospholipid membrane bilayer is hyrdrophobic.

A. TRUE

B. FALSE

Question #5

The plasma membrane has which basic structural components?

A. carbohydrates, cholesterol, phospholipids, proteins

B. plasma membranes only contain phospholipids

C. carbohydrates, steroids, phospholipids, proteins

D. carbohydrates, cholesterol, phospholipids, nucleic acids