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science 7A > chap 4 science 7a > Flashcards

chap 4 science 7a Flashcards

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Biology 101 flashcards
1
Q

mitosis

A

the division of a nucleus

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2
Q

gamete

A

sex cell

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3
Q

amino acid

A

base unit of protein

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4
Q

chromosome

A

tightly packed DNA found only during cell division, thread like, single stranded

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5
Q

sperm

A

male reproduction cell

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6
Q

protein

A

make up the structure of the body

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7
Q

centromere

A

a structure in a chromosome that holds the two chromatids together

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8
Q

egg

A

female reproduction cell

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9
Q

synthesis

A

the formation of a new bond

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10
Q

chromatid

A

each of two thread like strand into which a chromosome divides during mitosis

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11
Q

meiosis

A

sexual cell division

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12
Q

dehydration synthesis

A

the creation of larger from smaller molecules where a water molecule is released

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13
Q

centriole

A

helps in the formation of spindle fibers

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14
Q

zygote

A

fertilized (with sperm) egg cell

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15
Q

translation

A

the process in which amino acids form into a protein

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16
Q

cytokinesis

A

the cell divides into two daughter cells exactly like the parent cell

17
Q

haploid

A

one set of chromosomes in an organisms cell

18
Q

asexual reproduction

A

a production of offspring when one parent donates all of the genetic info

19
Q

diploid

A

2 sets of chromosomes in an organisms cell

20
Q

sexual reproduction

A

the production of an offspring when 2 parents give 50% of their genetic info each

21
Q

DNA

A

deoxyribosenucleic acid, carries genetic info

22
Q

fission

A

elongation and separation of bacterial cells

23
Q

gene

A

determines traits, each person donates a set to the offspring

24
Q

budding

A

offspring grows off the parent

25
Q

mRNA

A

messenger RNA, breaks down genetic code to bring to ribosomes

26
Q

regeneration

A

offspring is produced by a cutting from a parent plant

27
Q

rRNA

A

help translate the mRNA into a protein

28
Q

spore formation

A

specialized cells are released by the parent, if landed in a favorable environment, offspring will be produced

29
Q

tRNA

A

transport RNA, brings the code(DNA) to the ribosome

30
Q

vegetative propagation

A

new plant is produced by cutting of parent plant

31
Q

mutation

A

difference in the offspring’s genetic code to the parents genetic code

32
Q

genetic engineering

A

changing a genetic code

33
Q

who made the DNA understanding model including everyone involved

A

franklin, watson, and crick

34
Q

spindle fiber

A

control the movement and separation of chromosome during mitosis

35
Q

fertilization

A

when the egg and sperm fuse together to form an offspring

36
Q

transcription

A

change writing

science 7A (9 decks)

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