MCAT Course Test 5

Question 1

potential energy formula

Answer 1

mgh

Question 2

kinetic energy formula

Answer 2

1/2mv^2

Question 3

distillation separates compounds by

Answer 3

• boiling point

Question 4

E cell at the equivalence point

Answer 4

• average of Eox and Ered

Question 5

which sequence will make a good primer?

Answer 5

• a polyT sequence

- need a free 3’ OH group

Question 6

the appearance of a signal at 3450 cm-1 is indicative of what?

Answer 6

• a hydroxyl

Question 7

an electronic transition that emits a photon corresponds to

Answer 7

• a transition from a higher energy orbital to a lower energy orbital

Question 8

virtual image is positive or negative?

Answer 8

• negative

Question 9

an upright image is positive or negative?

Answer 9

• positive

Question 10

enzyme-substrate interactions occur via what kind of forces?

Answer 10

• weak

- ionic bonds, dipole-dipole, and london dispersion forces

Question 11

glycerol-3-phosphate becomes what

Answer 11

• the glycerol backbone present in triglycerides

Question 12

a magnetic field exerts a force on a charged particle only if

Answer 12

• the charged particle’s velocity is neither parallel nor antiparallel to the magnetic field lines

Question 13

circuit elements in parallel experience

Answer 13

• the same voltage drop

Question 14

circuit elements in series experience

Answer 14

• the same current

Question 15

an increase in the QT interval means

Answer 15

• the ventricles remain depolarized for longer

Question 16

monocistronic

Answer 16

• only a single type of protein can be translated from a given mRNA
• found in eukaryotes

Question 17

antibodies are produced by

Answer 17

• B lymphocytes

Question 18

does DMSO have optical rotation?

Answer 18

• NO! It is achiral

Question 19

what do you need to undergo hydrogen bonding?

Answer 19

• FON

Question 20

role of alpha tubulin

Answer 20

• a component of microtubules in the cytoskeleton

Question 21

catalase is what kind of protein

Answer 21

• peroxisomal

Question 22

what is RFLP used for?

Answer 22

• use restriction endonucleases to cut 10-100 bp minisatellites of DNA
• useful for DNA fingerprinting

Question 23

amphoteric

Answer 23

• act as an acid or a base

Question 24

what kind of muscle is the diaphragm?

Answer 24

• skeletal

Question 25

cranial nerves are part of which nervous system

Answer 25

• PNS

Question 26

role of the small subunit of the ribosome

Answer 26

• initiate translation by recognizing the first AUG start site

Question 27

ELISA

Answer 27

• uses antibodies to test for proteins

Question 28

where is conservation learned?

Answer 28

• concrete operational

Question 29

at what stage do children learn that things can be represented through words or phrases?

Answer 29

• preoperational

- also where children are more egocentric

Question 30

according to Chomsky and the nativist theory, normally functioning humans will develop language if they are exposed

Answer 30

• before the critical period

- learn from genetic and environmental factors

Question 31

deindividuation

Answer 31

• the loss of self-awareness in a social group in exchange for identification within that group

Question 32

master status

Answer 32

• one social role that becomes more prominent than any other social role

Question 33

mindguarding

Answer 33

• one member shelters the group from controversial or potentially divisive information

Question 34

attitude accessibility

Answer 34

• the activation of an attitude from memory

Question 35

issue involvement

Answer 35

• the relevance and salience of an issue or situation to an individual

Question 36

where is oxytocin produced and released?

Answer 36

• produced in hypothalamus

- released in posterior pituitary

Question 37

mores

Answer 37

• formal norms that are strictly enforced

Question 38

folkways

Answer 38

• conventional ways of acting within a certain culture

Question 39

stigma

Answer 39

• involves a negative reaction to an individual or group based upon some perceived characteristic or status that is viewed as inferior or is otherwise degraded.