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DAT BIO > DAT-256-301 > Flashcards

DAT-256-301 Flashcards

1
Q

most abundant RNA

A

r-RNA 80%

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2
Q

least abundant RNA

A

m-RNA, turns over rapidly

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3
Q

smallest of the RNA

A

t-RNA; transport amin acids to ribosomal site

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4
Q

zygomycetes, basidiomycetes, lichen, ascomycetes

A

types of fungi

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5
Q

amount of blood in average size adults

A

5 quarts

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6
Q

alubumin

A

important for maintaining the bloods osmotic pressure

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7
Q

stigma

A

sticky part of flower that catches pollen

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8
Q

bonds between antibodies

A

disulfide

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9
Q

blood clotting

A

involves a series of chain rxns in which fibrinogen is converted into fibrin

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10
Q

fibrin

A

form a mesh that traps RBC to become a solid barrier to blood loss

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11
Q

yields most energy

A

fat

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12
Q

what transfers electrons to the ETC

A

FADH2 and NADH

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13
Q

NADH yields ; each FADH2 yields

A

3 ATP; 2 ATP

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14
Q

mullerian mimics

A

(bees wasps ) contain some yellow warning colors that alert predators not to attack

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15
Q

batesian mimicry

A

deceptive mimicry; family of bees that resemble yellow bees but don’t sting at all.

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16
Q

stem cells in the bone produce lymphocytes by

A

mitotic division

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17
Q

two parts of immune system

A

antibody mediated immunity (regulated by production of B cell antibody production) and cell mediated immunity (regulated by the T cells (mature in thymus)

18
Q

emphysema

A

pathology marked by the destruction of alveoli

19
Q

in-vitro fertilization

A

fert between an egg and a sperm in a glass dish in the lab

20
Q

micro-injection

A

technique that involves directly injecting the sperm cell into an egg

21
Q

promoter region in eukaryotes which contain group of nucleotides is called a

A

TATA Box ; regions aren’t rich and AT

22
Q

promoter region in prokaryotes which contain group of nucleotides is called a

A

Pribnow box

23
Q

on and off switch control point for translation

A

operator

24
Q

operon

A

assemblage of operator, promoter, and structural genes

25
Q

5 classes of immunoglobins

A

IgD, IgA, IgM, IgE, IgG

26
Q

erythroblastosis fetalis

A

Rh- mother, Rh+ fetus(produce the Rh antigen)

27
Q

egg cell has how many chromosomes and chromatids

A

23 chromosomes, 23 chromatids

28
Q

small DNA binding proteins that allow DNA coiling are

A

Histones

29
Q

complement

A

a chemical defense system that works with the immune response and supplements the inflammatory response

30
Q

most breif mitotic stage

A

anaphase - centromeres spit and daughter chromosomes begin to seperate

31
Q

synapsis

A

occurs in prophase I of meiosis ; we see the pairing of homologous chromosomes .

32
Q

formation of new species due to geographical isolation

A

allopatric speciation

33
Q

sympatric speciation

A

if speciation occurs after ecological, genetic, or behavioral barriers arise within the same geographical boundary of a single population

34
Q

founder effect

A

a new pop arises because of a single individual or a few individuals causing a change in allele frequency

35
Q

protosomes

A

mollusk, arthropods, annelids; the opening of the first indentation becomes the mouth

36
Q

echinoderms and chordates

A

deutorosomes

37
Q

oncotic pressure vs. hydrostatic pressure

A

oncotic pressure pull fluid into capillary; hydrostatic pressure tends to push fluid out of a capillary

38
Q

inactive form of enzyme

A

zymogen

39
Q

cytochromes

A

group of heme containing proteins found in the ETC

40
Q

order of eras

A

Cenozoic (now) > mesozoic (dinosaurs) >paleozoic (plants)>precambrian (fungi )

41
Q

second messenger

A

cyclic amp; activates enzymes; initiates protein synthesis even alter membrane permeability

DAT BIO (12 decks)

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