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1) where on this phylogenetic tree of primate evolution do you find evolution of the
hominines?
a. no. 1
b. no. 2
c. no. 3
d. no. 4
e. no. 5
2) which carbohydrate is used in the liver for energy storage?
a. starch
b. chitin
c. cellulose
d. glycogen
e. glycerol
3) the x-ray diffraction photography of rosalind franklin and maurice wilkins was
critical evidence in the study of dna,
a. indicating that dna has a double helix structure.
b. showing equal numbers of purines and pyrimidines.
c. showing the bases of dna were held together by hydrogen bonds.
d. revealing the structure of the deoxyribose sugar.
e. of the location of each adenine, guanine, cytosine, and thymine.
4) variations within a population are maintained by
a. mutation.
b. genetic recombination due to fertilization.
c. gene flow.
d. all of the choices are correct.
5) which structure does blood pass through immediately before entering the right
atrium?
a. vena cava
b. aorta
c. atrioventricular valve
d. semilunar valve
e. left atrium
6) _________ control is the level of genetic control that involves the life span of the
mrna molecule and the ability of the mrna to bind to ribosomes.
a. feedback control
b. translational control
c. transcriptional control
d. posttranscriptional control
e. posttranslational control
7) which of the following are not cnidaria?
a. corals
b. planaria
c. sea anemones
d. hydrozoa
e. portuguese man-of-war
8) which piece of evidence would best support the theory of continental drift?
a. the east coast of africa matches up with the western coast of south america.
b. the reptilian diversity on earth is very different due to the separation of the continents
billions of years ago.
c. australia, south america and africa all share a similar mammalian fauna due to the
lineage being present on gondwana.
d. fossils of seed ferns can only be found on north america and europe but no where
else in the world.
e. all of the choices are correct.
9) which of the following structures is not one of the extraembryonic membranes
associated with the human embryo?
a. chorion
b. amnion
c. placenta
d. yolk sac
e. allantois
10) when a cold, ocean current brings rich nutrients to the surface and influences the
climate of the region, it is called a(n)
a. guano.
b. lake effect.
c. upwelling.
d. monsoon.
e. profundal zone.
11) a barr body
a. is only found in male cells.
b. is an inactive y chromosome that produces reduced amount of gene products.
c. is an inactive x chromosome that does not produce gene products.
d. all of the choices are correct.
12) the biological species concept relies mainly on ___________ to define a species.
a. reproductive isolation
b. morphological differences
c. the presence of analogous traits
d. comparative biochemical analysis
