BIOL 164, Winter 2014 Name:______________________________
Multiple Choice (1 point each) – Select the best answer and mark the corresponding letter on your Scantron.
1) What is the specific name for the process of assembling amino acids into a polypeptide chain at the ribosome?
A) Replication B) Transcription C) Translation D) Mutation
2) Which specific type of nucleic acid has an anticodon on one end, a specific amino acid attached to the other end, and functions in the process of translation?
A) Messenger RNA (mRNA) B) Transfer RNA (tRNA) C) Ribosomal RNA (rRNA) D) DNA
3) Which of the following types of tissue covers body surfaces, lines hollow organs and body cavities, and forms glands?
A) Muscle B) Nervous C) Epithelial D) Connective
4) Body movement, maintenance of posture, and heat production are functions of the _____ system.
A) Endocrine B) Muscular C) Respiratory D) Lymphatic E) Urinary
5) Which of the following is not a connective tissue?
A) Bone B) Blood C) Cartilage D) Stratified squamous epithelium
6) Which of the following types of tissue covers body surfaces, lines hollow organs and body cavities, and forms glands?
A) Muscle B) Nervous C) Epithelial D) Connective
7) Each of the following is a function of the integumentary system, EXCEPT
A) protection of underlying tissue. B) excretion of salts and wastes. C) regulation of body temperature.
D) storage of lipid energy. E) synthesis of vitamin C.
8) One single codon codes for…?
A) a protein B) a gene C) a nucleotide D) an amino acid
9) The ability of the human body to maintain a relatively constant internal environment despite environmental changes is specifically known as which of the following?
A) Homeostasis B) Stabilization C) Positive feedback D) Integration
10) When the arrector pili muscles contract,
A) “goose bumps” are formed. B) hairs are shed. C) sweat is released from sweat glands. D) shivering occurs.
E) the skin changes color

11) What tells the ribosome where to begin translation?
A) Start codon B) phenylalanine codon C) the initiator sequence D) the primer
12) Nervous tissue consists of?
A) Neurons only B) neurons and neuroglia C) neuroglia only D) peripheral nerves
13) Which is the process of copying the DNA in a gene into a mRNA?
A) DNA replication B) Translation C) Transcription D) Mitosis
14) Why do transcription and translation take place in two different locations?
A) DNA is located in the nucleus while the ribosomes needed for transcription are found out in the cytoplasm.
B) DNA is located in the nucleus while the ribosomes needed for translation are found outside the cell.
C) DNA is located in the nucleus while the ribosomes needed for translation are found out in the cytoplasm.
D) Translation takes place in the nucleus while the DNA is located elsewhere.
15) When body temperature rises, a control center in the brain initiates physiological changes to decrease the body temperature. This is an example of
A) negative feedback. B) positive feedback