BISC 732 Midterm

subject Type Homework Help
subject Pages 3
subject Words 598
subject Authors Sylvia Mader

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1) saturated fatty acids and unsaturated fatty acids differ in:
a. the number of carbon-to-carbon bonds
b. the consistency at room temperature
c. the number of hydrogen atoms present
d. all of the choices are differences between saturated and unsaturated fatty acid
2) you are more likely to develop some forms of cancer if you
a. are exposed to higher doses of radiation including x rays.
b. are exposed to carcinogens.
c. have a high incidence of cancer in your family history.
d. all of the choices are correct.
3) a cell is to a tissue as an atom is to a:
a. molecule
b. subatomic particle
c. electron
d. population
4) transformation of bacteria was shown to occur when _______ bacteria were injected
into mice and the mice _______.
a. live s strain; died
b. live r strain; didn't die
c. live s and r strain; died
d. live r strain and dead s strain; died
e. live s strain and dead r strain; didn't die
5) a hydrocarbon is hydrophobic
a. at all times.
b. only in the living cell environment.
c. except when it has an attached ionized functional group.
d. in carbohydrates but not in lipids.
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6) which of the following concept circles best depicts the relationship between
molecules and compounds (c = compound and m = molecule).
a. option a
b. option b
c. option c
incorrect
7) during the course of darwin's journey aboard the h.m.s. beagle he was collecting and
recording ________ and __________.
a. biological; genetic evidence.
b. religious; political evidence
c. historical; biological evidence
d. fossils; geological evidence.
e. geological; biological diversity evidence
8) which of the following domains contains the most primitive prokaryotes that live in
extreme environments?
a. archaea
b. bacteria
c. plantae
d. fungi
e. eukarya
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9) to secure genuine maple syrup, maple tree trunks are "tapped" with metal spigots that
interrupt the flow of sap in late winter prior to spring budding. which of the following
would be true of this process?
a. leaves are the ultimate origin of the sucrose component.
b. the sap flows out with some pressure from the phloem tube.
c. the water component originated from soil water absorbed by root hairs.
d. only a small core is tapped; taking sap continuously from a substantial radius could
eventually kill part of the tree.
e. all of the choices are correct.
10) which of the following statements about reproduction is not true?
a. gametes are produced by meiosis and may be specialized as eggs or sperm.
b. hydras may reproduce asexually by budding new individuals from the parent.
c. asexual reproduction is most advantageous when the environment is continually
changing.
d. a hermaphrodite produces both male and female gametes in different specialized
gonads.
e. a starfish can be cut into several pieces, and each piece will regenerate all the other
parts of the individual.

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