BSC 108 Yates Test 2 Graded A+
__________ is the term for all the chemical reactions in an organism.
A. potential energy
B. kinetic energy
C. metabolism
D. homeostasis - ANSWER-C. metabolism
___________ proteins are used to package DNA in eukaryotes.
a. chromosome
b. histone
c. muscle
d. spindle - ANSWER-b. histone
A _____________ is a picture of chromosomes taken during metaphase and arranged
by size and number.
a. karyotype
b. histone
c. zygote
d. somatic cell - ANSWER-a. karyotype
A cat eats a bird, which ate a caterpillar that chewed on a weed. Which organism(s) is a
consumer?
a. cat
b. bird
c. caterpillar
d. weed
e. cat, bird and caterpillar - ANSWER-e. cat, bird and caterpillar
A cell is 8 parts salt. It is sitting in a solution that is 3 parts salt. Which direction will
osmosis occur?
a. from inside the cell into the solution
b. from the solution into the cell
c. there will be no movement - ANSWER-b. from the solution into the cell
A description of the number of chromosomes in an egg or sperm.
a. gamete
b. daughter cell
c. haploid
d. diploid - ANSWER-c. haploid
A hypotonic solution has a higher concentration of solute compared to the water
concentration.
True
, False - ANSWER-False
A potential disadvantage of asexual reproduction is that:
a. it increases the time required to find a mate.
b. it allows for reproduction of a population even when the members are isolated.
c. it allows population size to increase rapidly.
d. it produces genetically uniform populations. - ANSWER-d. it produces genetically
uniform populations.
A replicated chromosome consists of two ____ joined at the __________.
a. chromosomes; chromatids
b. sister chromatids; centromere
c. chromosomes; cell cycle
d. daughter cells; hip - ANSWER-b. sister chromatids; centromere
A_______________ tumor is one in which the cells can spread to neighboring tissues
or other parts of the body.
a. benign
b. malignant
c. metabolic - ANSWER-b. malignant
Activation energy is the amount of energy required to start a chemical reaction.
True
False - ANSWER-True
As a class project you must determine if an organism is a plant or animal based on
events that occur during the cell cycle (looking for chloroplast would make a lot more
sense but you want an answer). What do you look for to determine id you have been
given a plant or animal?
a. Animal cells divide using cell burrow.
b. Plant cells will have a cell plate at the division site.
c. Plant cells will have a cell plate and a cleavage furrow.
d. Animal cells use only a cell plate - ANSWER-b. Plant cells will have a cell plate at the
division site.
As you exercise harder and harder, you reach a point where your muscle cells use more
oxygen than your bloodstream can provide. At this point, ____.
a. your muscles are working anaerobically
b. you are past your aerobic capacity
c. your muscle cells start producing lactic acid
d. all the above - ANSWER-d. all the above
C4 plants
a. use 4 different wavelengths of sunlight compared to other plants.
b. perform an alternative form of photosynthesis to conserve water.
c. are adapted for cool, moist climates.
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