The skin because drier and it loses its ability to regulate body temperature. This can
cause elderly people to be more susceptible to heat exhaustion.
2. People with Albinism cannot produce tyrosinase
Neural Reflexes & Their Pathways
1. Nicotine stimulates both sympathetic and parasympathetic ganglions. The effect
nicotine has depends on the state of the person at the time. If a person is really
calm and they smoke, the
Quiz #11 December 7, 2106
Name: Eg%: Lab Section:
1. (6.3 pt) The blind spot of the eye is where:
A) only cones are located. B) the fovea centralis is located. C) the macula lutea is located.
D) more rods than cones are found. the axons of ganglion cells
Which term describes the cellular process of building large molecules from smaller ones?
Which of the following is true for catabolic pathways?
-They release energy as they degrade larger molecules
Rosalind Franklins vital work role in t
What is a covalent bond? Shares electrons
What is the differnece between ionic and covalent? Covalent is sharing, ionic is elctrical
attraction between atoms
Which bond would be least likely to dissociate when a compound is put into water? Covalent is
Cells and Tissues
1. (4 pt ea, 20 pt total)
a. If a cell loses its nucleus it would no longer be able to synthesize proteins
because the majority of the DNA in a cell is located in the nucleus and the DNA
determines the str
Transport Through Selectively Permeable
1. Diffusion is the spreading apart of something, molecules diffuse because they
are constantly moving.
2. hydrostatic pressure is pressure from gravity, osmotic pressure is the most
Excitable Cells - Synapses
1. Sodium causes the depolarization phase. If the sodium channels open slowly
then It would take longer to reach the threshold in order to conduct an action
potential. If the virus causes the sodiu
Muscular System Histology & Physiology
1. Since Toms leg has been in a cast for 7 weeks, I assume it hasnt seen much movement. Therefore, it
has not been stimulated in a while and it has most likely lost muscle mass. This
1. We are investigating the joint of the ankle which is a synovial hinge joint. The movements
that it should perform are dorsiflexion & plantar-flexion and inversion & eversion. For
dorsiflexion the agonist
1. Anthropologists are normally looking at the shape, size, and density of the bones.
Bones that have a higher density most likely belonged to someone that did a lot of
weight bearing exercises or lived a phys
Peripheral Nervous System
Cutaneous & Taste Perceptions
1.The main purpose of the myelin sheath is to Increase the speed of action
potentials. If there is damage to the myelin sheath, then the speed at which action
Nervous System Histology
1. White matter consists of myelinated axons which propagates action potentials
while gray matter generally consists of unmyelinated axon terminals and cell
bodies which receive signals. The CNS has
1. The rotator cuff is a set of 4 ligaments and muscles that holds the head of the humerus tightly within the
glenoid cavity. Although the shoulder joint is fairly loose and can be moved in various ways. I
Determining [H ] & Protein Synthesis Modeling
1. 10^-6.7=1.995M of [H+]
7.3= 5.012M of [OH-]. The [H+] concentration is less than [OH-].
pH= -log(8.5x10^-12) = 11.07
[OH-]= 10^2.93 = .001M
Sensory Functions - Vision & Equilibrium
1. As the sun sets, your eyes start to adjust to the darker environment due to dark
adaptation. At this point you're using primarily your rods to see because rods
function better i
Module: Human Reproduction & Development
Fang Lin & Jon Ong
1. By yourself, match the following terms with the correct definition, then go over it as a
_ - Mature Sexual Reproductive Cell having a single set of unpaired chromosomes.
_ - fertili