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DAT BIO > DAT 216-256 > Flashcards

DAT 216-256 Flashcards

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Biology 101 flashcards
1
Q

examples of phylum cnidaria

A

hyras, corals, jellyfish

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2
Q

examples of phylum arthropoda

A

spiders and crusteaceans

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3
Q

examples of phylum chordata

A

tunicates, mammals, amphibians, reptiles, jawless fish

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4
Q

cell cleavage facts

A

cleavage patterns vary among different animal groups ; the cell is divided into smaller cells as the number of cells increase and no cell growth occurs ; exact cleavage pattern will depend on the amount of amount of yolk in the egg; end result of cleavage is the blastula, nuclear:cytoplasmic cell increases

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5
Q

RNA polymerase vs. DNA polymerase

A

DNA polymerase has proofreading ability, RNA does not, thus, has greater error level than that of DNA

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6
Q

structure of tRNA

A

clover like

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7
Q

most diverse type of plants

A

angiosperms

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8
Q

will store food for he germinating seedling

A

cotyledon or so called seed leaf

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9
Q

threshold stimulus

A

the minimal level of stimulation rehired to cause a muscle fiber to complexly contract

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10
Q

sub threshold stimulus

A

strong enough to create a COMPLETE response to an action potential

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11
Q

in a hypotonic soln

A

cell will swell and probably burst, plants contain cell wall and are more resistant to swelling in hypnotic soln

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12
Q

cause cell to shrivel

A

hypertonic soln

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13
Q

responsible for the reduction of immunoglobins or antibodies

A

humoral immunity

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14
Q

involved in cell mediated immunity, don’t make antibodies

A

Tlymphocytes

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15
Q

produce antibodies

A

B lymphocytes

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16
Q

most abundant waste product of metabolism

A

Co2

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17
Q

DNA synthesis occurs in…

A

S-phase

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18
Q

in G2 the cell….

A

prepares to divide

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19
Q

During G1…

A

we see production of mitochondria, ribosomes and much protein synthesis

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20
Q

mycology divisions based on

A

types of sexual spores they reproduce

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21
Q

first to evolve

A

jawless fish such as hagfish (scavengers) and lampreys (parasites)

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22
Q

denaturation will alter which protein structures

A

2º, 3º, 4º

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23
Q

when is 1º structure of protein lost

A

only if digestion or hydrolysis occurs.

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24
Q

what may cause denaturation of a protein

A

heat, pH change, radiation, heavy meals such as Pb+2, Ag+, Hg2+

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25
Q

which process generates the most ATP

A

ETC; which occurs in the inner membrane of the mitochondria

26
Q

where is bile(an emulsifier of fats) produced

A

liver

27
Q

urea formation occurs in the

A

liver

28
Q

where is liver stored

A

gal bladder

29
Q

where is pollen produced

A

anther

30
Q

pistil; its parts and it’s function

A

female part of plant; consist of stigma, style and ovary; it’s sticky and will catch the pollen

31
Q

style

A

tube like structure connecting the stigma to the ovary

32
Q

stamen

A

male part of plant

33
Q

whats special about the haploid gameotypes in plants

A

its multicellular, where as in animals its unicellular

34
Q

primary neurotransmitter of the parasympathetic nervous system

A

Acetylcholine

35
Q

primary neurotransmitter of the sympathetic nervous system

A

norepinephrine

36
Q

DNA segments that are moveable are called

A

transposable elements

37
Q

differentiation will….; occurs….

A

when a cell has become specialize, arise as a result of elective gene expression

38
Q

segmented worms

A

annelids

39
Q

arthopod circulatory system

A

open

40
Q

responsible for the striations in skeletal muscle

A

alternating between thin actin filaments and thick myosin filaments

41
Q

light bands [I-bands]

A

thin actin filaments

42
Q

thick dark bands

A

myosin filaments

43
Q

connecting links between nucleic acid

A

phosphodiaster bonds ; go from 5’ carbon of one unit to the 3’ OH on the next one.

44
Q

best way to identify a new species

A

reproductive isolation

45
Q

cephlapods characteristics

A

tenteavles to capture prey, include the squid(largest known invertebrate); have GREAT demand for O2, contain well developed nervous system, giant nerve fibers connect the brain with muscles used in jet propulsion

46
Q

net reaction of glycolysis

A

Glucose + 2Pi + 2ADP + 2NAD+ ——— > 2 pyruvate + 2ATP + N NADH + 2H+ + 2H2O

47
Q

kingdom of blue green algae and bacteria

A

kingdom monera

48
Q

what kingdom are paramecium in

A

protista

49
Q

what kingdom are mushrooms in

A

fungi

50
Q

what kingdom are green algae in

A

protista

51
Q

bryophytes

A

non vascular land plants such as mosses, liverworts, hornworts. have underground stems and live in moist humid habitats

52
Q

sporazoans

A

diverse group of parasites that include plasmodium —which causes malaria

53
Q

bone resorbing

A

osteoclasts

54
Q

RBC

A

O2 transport

55
Q

WBC

A

infections

56
Q

MAcrophage and neutrophils

A

phagocytosis

57
Q

Plasma cells

A

antibody production

58
Q

Mast cells

A

histamine release

59
Q

amnio

A

fluid filled sac that surrounds the embryo in reptiles, birds and mammals —NOT amphibians

60
Q

greatest # of similarities would be if the organisms where in the same

A

genus

DAT BIO (12 decks)

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