question

in chromatography of the reaction mixture, water is absorbed on cellulose functioned as the stationary phase - what is the principal factor determine the migration of individual components in the sample?

answer

HYDROGEN BONDING (determines rate of migration)

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dehydration reaction (tertiary OH to double bond) occurs most readily with what OH? reaction involves loss of WATER molecule and the reaction has a CARBOCATION intermediate

answer

tertiary alcohols

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rate of substitution of protonated alcohols is subject to STERIC HINDRANCE

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(inhibits ability of nucleophiles to collide with reacting electrophilic center and slows rate of reaction)

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In gas chromatography - what characteristics result in gas moving fastest, therefore making first peak in gas chromatograph trace

answer

- lowest molecular weight - weakest intermolecular forces of attraction

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strength of eye lens = inverse of focal length of eye lens

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i.e. (1/o) + (1/i) = 1/f f = daltons

question

index of refraction of a medium is equal to the

answer

ratio of the speed of light in a vacuum/speed of light in the medium

question

1 Thz = ---- hz 1Mhz = 1 x 10^6 hz

answer

1 x 10^12

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watts * seconds =

answer

KJ

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------ forces are forces of attraction or repulsion which act between neighboring particles

answer

intermolecular forces

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---- forces in chemistry describes a process or characteristic limited within the structure of a single molecule, a property or phenomenon limited to the extent of a single molecule

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intramolecular

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octahedral copounds have 6 sigma bonds and no lone pairs - requires the hybridization of six atomic orbitals (what type of orbitals are involved in boding in octahedral compounds?)

answer

d^2 sp^3

question

assumptions of IDEAL GAS LAW *LOOK up other assumptions

answer

individual molecular volume and intermolecular forces are neglible

question

enzyme that hydrolyzes fatty acids

answer

lipase

question

radioactive beta (-) decay

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neutron is converted to proton

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ratio of image heigh to object height is equal to the ratio of lens-imaging distance to object-lens distance

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use equation (1/object + 1/image = 1/f)

question

gamma decay occurs when a nucleus emits a

answer

photon

question

a SPONTANEOUS reaction occurs when Eo is --- than zero

answer

greater than zero +delta E

question

measurements used to express POWER

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J/s kg*m^2/s^3 (ft*lb)/s W

question

sites that influence splicing

answer

splice acceptor site

question

aromatic ring amino acids

answer

pheylalanine, tryptophan

question

Nicotinamide nucleotides

answer

NAD+

question

total number of fused rings present in a steroid

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4

question

what does Na+ / K+ ATPase do?

answer

NA+ transported OUT Of cell, K+ transported INTO cell

question

------ ------ bund DNA and recruit RNA polyerase

answer

transcription factors

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cholesterol rich domain = "------ -------"

answer

lipid rafts

question

protein levels relate most directly to levels of what?

answer

mRNA levels

question

RBC lose their ----- during maturation

answer

nuclei lost - therefore circulating RBCs do NOT contain DNA that could affect endothelial cell growth

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olbigate intracellular parasites (can only reproduce in host cell)

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animal VIRUSES

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in MOST prokaryotes, DNA is ----

answer

circular

question

bond that links amino acids

answer

phosphodiester bond

question

formation of glucose from noncarbohydrate sourceq

answer

gluconeogenesis

question

secreted proteins such as insulin are cleaved into mature form with the ------ ------

answer

endomembrane system

question

page's theory of cognitive development: conservation tasks are mastered during the ----- operations stages (apron 7--> 11/12 yrs)

answer

CONCRETE operations stages (7--> 11/12)

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focuses on the role of classical conditioning which is most closely related to the ------ approach

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behaviorist approach

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part of eye in direct contact with eyelid

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cornea

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what does mesuring electrical conductivity of the skin do?

answer

physiological indication of increased sympathetic arousal

question

Selye' general adaptation syndrome

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people's response to various stressors are similar

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involved in execution of coordinated motor task

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cerebellum

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involves mapping of social relationships among individuals (can be used when studying communicable diseases)

answer

social network analysis

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reinvestment in lower income neighborhoods in urban areas (results in influx of more affluent groups) - with arrival of more affluent residents, housing demands increases and generally results in decrease of affordable housing for lower income residents

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GENTRIFICATION: leads to: 1) increased neighborhood stratification 2) displacement of lower-income residents 3) expanded tax base for local gov't

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averse

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= strong dislike/opposition too

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theory that focuses on the role of reinforcement and punishment in shaping behavior

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behaviorist theory

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a ----- measure is one that actually measures what it is intended to assess

answer

VALID

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Erik son's theory of psychosocial development:generatively versus self-absorption crisis occurs in ---------

answer

mid-adulthood

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----- is realted to the process of social integration and generally refers to when new members adopt the main elements of a culture

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assimilation (i.e. cultural adaptation, adopting new norms, relinquishing old norms)

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--------- hypthesis (aka -------): structure of language affects the perceptions of its speakers

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Sapir-Whorf hypothesis linguistic relativity

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--------- ----------- refers to social network ties (friends, family) that provide an individual with various types of assistance, which are associate with improving health or reducing harm

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social support (Health benefits of networks) - relatiionships

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capacity of working memeory

answer

7 +/- 2

question

seeing squares light tup on a computer screen would register with visual sensors - forming --------- memory before working memory is activated

answer

sensory memory

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individual often emulate the attitudes and behaviors of groups that they admire and would like to join = called ------ group

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reference group (improtant for self- evaluation and identity formation)

question

what type of memory is being used when learning to ride a bike?

answer

procedural = memory for the performance of particular types of action

question

------- ------- is the tension that results from competing demands within the context of a single role

answer

role strain

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--------- --------- if tension exists between different roles that a single individual holds

answer

role conflict

question

basic group dynamics in sociology: larger groups are generally considered more stable but less intimate

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smaller groups = less stable, more inteimate

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2 person groups = --------, are unstable because either party can break the single social tie

answer

dyads

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three person groups -----, considered relatively more stable because of the addition of social ties

answer

triad

question

type of study that employs both a quantitate component (statistical analysis) and a qualitative component (in-depth analysis)

answer

mixed methods study

question

theory that emphasizes the competition between groups over the allocation of societal resources (assumes power and authority are unequally distributed across a society and that groups attempt to maintain their advantages)

answer

conflict theory

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research methodology that involves the extended systematic observation of a complete social environment

answer

ethnographic methods (involves systematic observation of a complete social environment)

question

closed status positions that hinder social mobility

answer

caste systems

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