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Praxis Elementary Education > Science: Life Science > Flashcards

Science: Life Science Flashcards

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1
Q

Special type of protein that speeds up chemical reaction

Ex: breaking down food

A

Enzymes

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2
Q

DNA four types of nucleotides ( small molecules that makes up DNA)

RNA substitutes…

A

Adenine
Cytosine
Guanine
Thymine

RNA: Uracil for thymine

AT and CG or AU

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3
Q

Single celled organism

No nucleus, mitochondria, chloroplasts

A

Prokaryotes

Ex: bacteria

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4
Q

Contain a nucleus
Multicellular organisms

Chromosomes found in _

A

Eukaryotes

Nucleus

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5
Q

Organelles:

Produce energy
Produce proteins
Store water and other molecules

A

Mitochondria
Ribosomes
Vacuoles

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6
Q

Plants store energy from sunlight as sugars, energy source for cell function

A

Photosynthesis

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7
Q

_ phase

Duplicates DNA

A

Prophase

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8
Q

_ phase

Chromosomes line up in pairs along central axis in cell

A

Metaphase

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9
Q

_ phase

Pairs begin to split - one chromosome to one side and other toward opposite side

A

Anaphase

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10
Q

_ Phase

Cell membrane splits…two new cells are formed

A

Telophase

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11
Q

_ phase

division is complete
2 cells return to normal rest ing states

A

Interphase

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12
Q 
I
Picked 
My 
Apples
Today
A 
Interphase
Prophase
Metaphase
Anaphase
 telophase
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13
Q

Produces two cells with the same DNA* same # of chromosomes as parent cell*

Formation of reproductive cells

A

Mitosis

Meiosis

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14
Q

Chromosomes in reproductive cells

chromosomes in body cells

A

23

46

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15
Q

Bacterial chromosome found in

A

Cytoplasm

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16
Q

One ATP molecule produces two molecules of pyruvate during…

A

Glycolysis

17
Q

Krebs cycle in:

Prokaryotes

Eukaryotes

A

Prokaryotes- cytoplasm

Eukaryotes- mitochondria

18
Q

Plants make glucose from (2)

How?

Process called?

A

Carbon dioxide and water

Use sunlight through photosynthesis

Calvin cycle

19
Q

Tiny packet of energy from the sun absorbed by chlorophyll

A

Photon

20
Q

molecules of ATP produced during electron transport

A

34

21
Q

molecules of ATP produced during glycolysis

A

2

22
Q

molecules produced during Krebs cycle

A

2

23
Q

molecules produced during entire process of cellular respiration

A

38

24
Q

Photosynthesis takes place in

A

Chloroplast

25
Q

Endoplasmic reticulum synthesizes

A

Proteins and lipids

Praxis Elementary Education (34 decks)

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