Exam
4 Biol 106 Spring 2004
NOTE SOME QUESTIONS HAVE
BEEN REMOVED FROM THIS EXAM
1. Muscle cells are:
a.
b. long and have multiple
nuclei
2. Which of the following is
NOT a step in the sliding filament model of muscle contraction:
a.
b.
Hydrolysis of ATP does not cock head
c. c.
3. The picture below is of a:
a. sarcomere
4. Tropomyosin-
c. blocks the myosin binding
sites on the actin filament when muscle is at rest
5. T tubules:
a. are a network of the fiber
plasma membrane that goes deep into the muscle fiber and they release calcium.
6. Smooth muscle:
Is
involuntary muscle
7.
Type II muscle fibers
are
fast
8. increased temperature:
increases the rate of reactions
9. Endotherms
use
heat from metabolism to raise body temperature
10. Thermoregulation:
is
regulation of body temperature
11. Geese can avoid heat loss
even though their uninsulated feet are in contact
with ice because:
they have veins and arteries in their feet conducting countercurrent heat
exchange
12. Brown fat:
generates heat for hibernating animals
13. Which of the following is
the least toxic nitrogenous endproduct:
uric acid
14. Osmolarity is:
# of solutes per volume solution
15. The osmolarity
of seawater is:
higher than the osmolarity of marine fishes
16. Marine fishes:
have to drink water constantly
17. Freshwater fishes:
Have
to produce urine constantly
18. Marine invertebrates like
oysters contain high concentrations of:
amino acid osmolytes
19. One way to prohibit water
loss for terrestrial (land) animals is to have:
A
waxy cuticle that prevents water evaporation
20. Which of the following
animals does not need to drink water:
kangaroo rat
21. Anhydrobiosis is
the
ability to lose up to 95% of body water during times of water scarcity
22. The ultimate cause for
behavior is:
natural selection
23. In the love bird study,
hybrids of the two lovebird species:
produce nest strips of intermediate size
24. A fixed action pattern is:
a
sequence of behavioral acts that is unchangeable and usually carried to
completion once initiated
25. For the stickle back fish
aggression fixed action pattern, the sign stimulus is:
a
red stripe on the bottom (ventral) side of approaching intruders.
26. Songbirds with large song
repertoires
are
generally older
27. Digger wasps recognize their
nests by:
a. the position of objects such
as pine cones or rocks
28. In vervet
monkey learning:
infants eventually learn the
appropriate calls for predators like leopards and eagles
29. Baby geese imprinting
involves:
following the “mother” wherever she goes
30. An example of classical
conditioning is:
Pavlov’s
dogs trained to salivate at the sound of a “bell”
31. Sociobiology
a. applies evolutionary theory
to the study of behavior
32. A good mate for humans and
three spined stickleback fishes:
a. is ready to reproduce
33. Male stalk eyed flies have
large eyestalks to:
attract females
34. Altruistic behavior is:
a. behavior that does not
immediately benefit the individual
35. The figure above shows that:
a. female ground squirrels stay
close to their place of birth
36. According to kin selection,
it is advantageous for a ground squirrel to give up his/her life to save:
a. two sisters and one brother
44.
If the rate of oxygen consumption increases from 2 at 10 degrees C to 6 at 20
degrees C, what is the Q10?
c.
3
45.
The diagram above is of a lipid bilayer with:
a.
saturated phospholipids
46.
Cardiac muscle:
b.
is involutary muscle
47.
The thick filament of the sarcomere is made out of:
b.
myosin
48.
Which of the following is NOT part of the sequence of events leading to muscle
contraction
c. Action potentials
trigger uptake of potassium from the sarcoplasmic
reticulum
50.
An osmoconformer:
a.
has an internal osmolarity that is the same as the
environment