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Biology > bellwork > Flashcards

bellwork Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

define skepticism

A

a questioning or doubtful attitude

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2
Q

what is a law? give an example

A

truths that are followed and known everywhere ex: law of conservation of mass

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3
Q

identify independent and dependent variables

A

independent: variables that change
dependent: change bc of the independent variable

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4
Q

name two tools for dissecting

A

a scavenger and a dissecting tray

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5
Q

what created temp.

A

the speed of air molecules caused friction which creates temp.

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6
Q

what is synthesis

A

producing a complex substance from a simple one

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7
Q

compare/contrast the types of bonding

A

ionic: transfers valence electrons
covalent: share valence electrons

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8
Q

identify the diatomic elements

A

H2 O2 F2 Br2 I2 N2 Cl2

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9
Q

what is the property of polarity

A

liquid

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10
Q

why is capillary action necessary

A

it enables H2O to move upward from root to leaves

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11
Q

what is a mixture

A

two or more thing physically combined

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12
Q

who hydrolysis needed in the body

A

needed to break food down into usable nutrients

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13
Q

how do guard cells help stoma yes in photosynthesis

A

guard cells open and close stoma red to let CO2 in and O2 out

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14
Q

compare/contrast the types of cell respiration

A

aerobic: O2 used, more energy, 36 ATP, in mitochondria
anaerobic: no O2 used, less energy, 2 ATP, in cytoplasm
both: create ATP, glucose used

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15
Q

why does lactic acid form in a multicellular organism

A

it happens when an organism doesn’t have enough oxygen

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16
Q

compare/contrast the types of reproduction

A

asexual: one parent, exact copy, bacteria, cell splits
sexual: 2 parents, different from parents, 2 cells split
both: creates offspring

17
Q

what is mitosis

A

splitting of nucleus to form 2 new cells

18
Q

what’s the difference between binary fission and budding

A

binary fission creates 2 cells of the same size through cell division. Budding creates two cells of different size by using a method of growing a tiny bud from the parent cell

19
Q

why does cancer occur

A

it occurs due to uncontrollable mitosis

20
Q

regeneration

A

development or replacement of body parts

21
Q

explain how vegetative propagation is a sexual process

A

new plant grows from parent plant offspring ex: runner, bulbs, tuber, cutting.

22
Q

zygote

A

a fertilized egg

23
Q

somatic cells

A

body cells

24
Q

why is reproduction dicision important

A

cuts chromosome # in half bc gametes come to get and chromosome # then doubles

25
Q

what are stem cells

A

can develop into any type of cell

26
Q

differentiation

A

the idea that organs and tissues all have different functions

27
Q

describe the process that forms a zygote and the an embryo

A

zygote: fertilization
embryo: mitosis

28
Q

how are gametes and gonads related

A

gametes are made in the gonads

29
Q

compare and contrast the types of fertilization

A

spermogenesis: male, makes 4 sperm of equal, testes
oogenesis: female, large egg and 3 polar bodies, ovaries
both: produce gametes, meiosis, haploid

30
Q

heredity

A

the passing down of genes from parents to offspring

31
Q

DNA stored inside a chromosome

A

gene

32
Q

explains the relationship between genes and alleles

A

allele is a form of gene

33
Q

how can 2 individuals have the same phenotype but different genotype

A

one could be hetero while one could homo dominant

34
Q

place the following in order from least to most complex

cell, organ system, tissue, organism, organelle, organ

A

organelle, cell, tissue, organ, organ system, organism

35
Q

what is a hazard

A

a hazard is something is dangerous and that you should take caution of

Biology (10 decks)

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