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1) which component of the flowering plant is considered the female portion of the
plant?
a. carpel
b. stamen
c. style
d. corolla
2) which of the following features were present in the transitional species between
amphibian tetrapods and the fishes?
a. fins, scales and expanded ribs
b. fins, rounded head with eyes on the side and a neck
c. lungs, fins and scales
d. a flat head with eyes on the top, fins andscales
3) similarities between the archaea and eukarya include
a. same ribosomal proteins.
b. similar trna.
c. similar initiation of transcription.
d. all of the choices are correct similarities.
e. same ribosomal proteins and different initiation of transcription.
4) which of the following features would not be found in the bryophytes?
a. a life cycle that consists of an alternation of generations.
b. using megaphylls to increase their photosynthetic ability.
c. production of flagellated sperm during reproduction.
d. a gametophyte that is dependent upon the sporophyte for support and nutrition.
5) amoebic dysentery is transmitted by (through)
a. the bite of a mosquito.
b. the bite of a tsetse fly.
c. having sex with an infected partner.
d. ingesting contaminated water or food.
6) the reason why some individuals who inherit polydactyly (having an extra digit on
the hand or feet) but do not express the trait is due to ________.
a. incomplete penetrance
b. incomplete dominance
c. gene linkage
d. pleiotropy
e. none of the answers are correct
7) which of the following t cells are mismatched with their functions?
a. helper t cells - secrete cytokines to control immune responses
b. cytotoxic t cells - destroy non-self proteins
c. memory t cells - mediate apoptosis
d. all of the choices are correctly matched with their functions.
8) a lung infection caused by bacteria which become encapsulated in the lungs is
a. emphysema.
b. pneumonia.
c. rheumatic fever.
d. tuberculosis.
e. pulmonary fibrosis.
9) the correct sequence for aerobic metabolic breakdown of glucose is
a. glycolysispreparatory reaction--cirtric acid cycle--electron transport system
b. preparatory reaction--glycolysis---electron transport--citric acid cycle
c. electron transport system--citric acid cycle---preparatory reaction--glycolysis
d. none of the choices are correct.
10) transposons
a. are specific dna sequences that move within and between chromosomes.
b. alter the expression of neighboring genes especially if the transposon is a regulator
gene.
c. have been discovered in corn, fruit flies, bacteria, and humans.
d. all of the choices are correct.
