Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Science 9 > Unit 6 > Flashcards

Unit 6 Flashcards

You may prefer our related Brainscape-certified flashcards:
Biology 101 flashcards
1
Q

capsid

A

protein coat on a virus particle that contains nucleic acid and attaches to a target cell

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

phage

A

virus that affects bacteria

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

lytic cycle

A

part of virus replication that is disease causing (virulent)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

lysogenic cycle

A

part of virus replication that is the latent period

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

vectors

A

things that transmit the virus to the host, doesn’t get the disease though

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

prokaryotes

A

unicellular microbes lacking membrane-bound organelles, evolved 3.5 billion years ago

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

gram stain

A

used to classify bacteria based on the amount and positions of peptidoglycan in cell wall; gram positive = purple, gram-negative = pink

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

pathology

A

Study of disease

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

pathogens

A

bacteria that cause disease

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

antibiotics

A

drugs that combat bacteria

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

mycology

A

Study of fungi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

lichen

A

Association between fungus and Algae or cyanobacteria

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

mycorrhizae

A

Association between fungus and plant roots; Vastly increases root absorption

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

cuticle

A

waxy coating covering leaves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

stomata

A

openings that allow stuff in/out of leaf

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

vascular tissue

A

vessels that allow water travel against gravity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

alternation of generations

A

haploid gametophyte phase alternates with a diploid sporophyte phase to complete a plant lifecycle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

pollination

A

when pollen grain lands on sticky stigma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

fertilization

A

sperm in pollen grain reaches overy and fuses with the egg

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

meristems

A

regions of active mitosis; where plant growth occurs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

apical meristems

A

contribute to primary growth at tip of shoot and root

22
Q

lateral meristems

A

contribute to secondary growth in woody plants

23
Q

hormones

A

Chemical messengers secreted by one cell that causes a response in another

24
Q

auxins

A

promote cell elongation; contributes to the overall plant growth

25
Q

cytokinins

A

promote cell division

26
Q

gibberellins

A

promote seed germination; how seed knows when to germinate

27
Q

ethylene and abscisic acid

A

promote ripening

28
Q

tropism

A

movement toward or away from a stimulus in the environment

29
Q

phototropism

A

growth response to light

30
Q

gravitropism

A

response to gravity; seed knows which way to grow

31
Q

thigmotropism

A

response to contact with a solid

32
Q

virulence

A

degree to which a virus or other micro organism can cause widespread illness

33
Q

viral envelope

A

lipid membrane that surrounds the capsid in some viruses

34
Q

retrovirus

A

virus that uses RNA to synthesize DNA; causes HIV and tumors

35
Q

endocytosis

A

process by which materials are ingested by a cell through the cell membrane and then delivered to an organelle by vesicle

36
Q

chemoautotroph

A

organism that derives energy from inorganic materials in its environment

37
Q

anaerobes

A

organisms that can survive in the absence of oxygen

38
Q

photoautotroph

A

organism that derives energy from light and organic molecules

39
Q

extremophiles

A

organism that lives in the habitat were other organisms can’t survive

40
Q

endosymbiosis

A

mutually beneficial relationship in which one organism lives entirely inside another

41
Q

peptidoglycan

A

polymer made up of sugar molecules and peptides that strengthens the cell walls of bacteria

42
Q

exotoxin

A

toxic chemical a bacterium releases as a weapon

43
Q

endotoxin

A

toxic product of a bacterial metabolism that is released when a bacterium is destroyed by a host’s immune system

44
Q

mixotroph

A

organism that can alternate between producing its own food and feeding on other organisms or their metabolic products

45
Q

gymnosperm

A

plant that produces seeds that are not enclosed

46
Q

angiosperm

A

flowering plant that produces seeds in fruits or another enclosure

47
Q

monocot

A

angiosperm that produces just one embryonic leaf

48
Q

virology

A

Study of viruses, small infectious particle, and their interactions with humans and hosts

49
Q

nonvascular plants

A

simple plants without a vascular system

50
Q

bioremediation

A

using natural processes to clean up human-created problems

Science 9 (7 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions