deck 1 Flashcards

(50 cards)

1
Q

endorphin

A

hormones secreted within the brain and nervous system and having a number of physiological functions. They are peptides that activate the body’s opiate receptors, causing an analgesic effect.

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2
Q

centrifugation

A

is a process used to separate or concentrate materials suspended in a liquid medium

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3
Q

electrophoresis

A

motion of dispersed particles relative to a fluid under the influence of a spatially uniform electric field. (separation technique)

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4
Q

DNA microarray technology

A

allow researcher to examine genes in a particular cell type, and determine if they are expressed

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5
Q

Somatic Cell Transfer

A

laboratory technique for creating a viable embryo from a body cell and an egg cell.

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6
Q

FRAP

A

Fluorescence Recovery After Photobleaching

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7
Q

related to the muscles and glands

A

motor neuron (efferent)

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8
Q

sensory or afferent neurons

A

will carry nerve impulses from peripheral body into the CNS (brain +spinal cord) - closely related to receptor cells

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9
Q

monotreme

A

a mammal that lays eggs (platypus and echidnas (spiny anteaters)

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10
Q

marsupial

A

a mammal that completes embryonic development in a pouch

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11
Q

various true things about chitin

A

is a polysaccharide containing glucose molecules with nitrogen groups attached, a polymer of amino sugars. cell wall of many fungi contain chitin

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12
Q

Na+/K+ Pump-

A

energy is used to pump Na+ and K+ ions against the gradient; 3Na+ are pumped out; 2 K+ ions are pumped into the cell; Ouabain is a poison that will interfere with this ATP requiring pump; the pump is a protein that changes conformational states;

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13
Q

Illeocecal valve

A

junction between small and large intestine, valve will prevent the contents of the large intestine from entering the small intestine and vice versa

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14
Q

mitrial valve (also known as the bicuspid valve or left atrioventricular valve)

A

betweens heart’s left upper and lower chamber

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15
Q

semilunar valve

A

one located at the opening of the aorta and the other at the opening of the pulmonary artery, each consisting of three crescent-shaped cusps

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16
Q

pyloric sphincter or valve

A

is a strong ring of smooth muscle at the end of the pyloric canal which lets food pass from the stomach to the duodenum

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17
Q

function of alkaloid colchicine

A

blocks the mitotic cycle of plants and animals

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18
Q

function of colchicine

A

inhibits microtubule activity

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19
Q

characteristic of thyroid hormones

A

contains iodine and cannot be produced without it ; thyroxin and triiodothyronine contain iodine

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20
Q

thyroid gland mammalian secretes

A

calcitonin- lowers the calcium levels in the blood

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21
Q

I-131

A

ingestion of radioactive 1-131 will help determine thyroid activity . ingest with water and will concentrate in the thyroid

22
Q

In kidney physiology vasoconstriction of afferent arterioles leads to:

A

a decreased rate of filtration; blood flow is decreased; decreases the volume of urine flow

23
Q

only interacting with cell-surface receptors

24
Q

will bind to nuclear receptors

A

steroid hormones such as estrogen, testosterone, and progesterone.

25
unique to angiosperms
double fertilization
26
earthworm characteristics
is an invertebrate, have no respiratory organs, thus respiration takes place through moist skin, moist skin is needed for O2 to passively diffuse
27
The process that is common in aerobic and anaerobic organisms
Glycolysis
28
Cellular respiration 3 major processes
GKP- Glycolysis, The Krebs Cycle, Oxidative Phosphorylation
29
indeterminate cleavage
of a zygote will allow a human twin to be produced; each cell that is made retains its capacity to develop into a viable embryo
30
hepatic vein
allow blood to leave the liver. will empty into the inferior vena cava allowing the blood to be returned to the general circulation
31
hepatic artery
is a short blood vessel that supplies oxygenated blood to the liver, pylorus (a part of the stomach), duodenum (a part of the small intestine) and pancreas.
32
inferior vena cava
is the large vein that carries deoxygenated blood from the lower half of the body into the right atrium of the heart.
33
what could cause the yellow coloring in jaundice
excess bilirubin (Bilirubin is the yellow breakdown product of normal heme catabolis)
34
Which hormone stimulates the release of bile
Cholecystokinin is a hormone released by the cells of the duodenum that stimulates bile release.
35
Products of a light reaction of photosynthesis
ATP , O2 and NADPH
36
2 pigments used in photosynthesis
chlorophulls and carotenoids
37
autotrophs
make their own food; make organic molecules from inorganic raw materials which they get from the environment.
38
function of ciliary muscle
adjusts lens shape in the eye
39
papillae
projections on tongue surface , that provides friction for handling foo sand contain taste buds
40
papillary muscle
cone shaped muscles located in the heart
41
echinoderm characteristics
invertebrates, no segmentation, adults display radial symmetry, include starfish sea urchins and sea cucumbers
42
convergent evolution
when two distinct species with differing ancestries evolve to yield similar physical features
43
divergent evolution
accumulation of differences between groups which can lead to the formation of new species, usually a result of diffusion of the same species to different and isolated environments
44
what is erythropoietin
hormone released primarily from the kidneys and will stimulate RBC formation in the bone marrow
45
Where do platelets, leukocytes and erythrocytes develop
pluripotent stem cell
46
stroke
death of nervous issue in the brain
47
thrombus
blood clot that forms in a vessel abnormally
48
which cells are most abundant (least)
most: erythrocytes, least: leukocytes
49
what happens when injured cell releases histamine
WBC migrate out of blood capillaries
50
ecdysone
in insects, molting and metamorphosis are regulated by this hormone