Unformatted text preview: 6. Erythrocytes: , \ J
a) contain hemoglobin / b) lack a nucleus when mature ,/ c) shrink when placed in hypertonic medium d bothaandcarecorrect .‘i/EW’K‘ TE}
9 all of the above are correct - “ 7. Which statement about Acetyl coenzyme A is FALSE?
a) can be formed from glucoses/
b) can be formed from pyruvate \/
c can be formed from triglycerides .7
@iiaformed inthe cytoplasm
e) can be oxidized to provide energy .8. Cyanobacteriaz‘
a) are prokaryotes / .
Jr) contain chlorophyll V’
c) release oxygenW
' K dDbom a and c are correct - all of the above are correct 9. A protein (MP), present in mammalian cells, is composed of a single chain of
amino acids and has an amino terminus located outside the cell, a oarboxylic acid
(C terminus) located in the cytoplasm, and a single membrane-spanning segment .
.An oligosaccharide is covalently attached to MP. Which of the following
' statements about MP is FALSE?
3)” MP is an integral membrane protein
55 alanine and methionine would most likely occur in the membrane-
spanning segment -
/e’i. carbohydrate residues would be located on the amino terminus regiOn
MP is a glycoprotein
;0 MP has quaternary structure 1’ ru e
10. Which statement about chloroplasts is—EA-LSE? - '
a) are a type of plastid /
b) contain thylakoids / 7
c) are surrounded by two membranes V
d) both a and c are correct @311 of the above are correct ...
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- Summer '08