Study guide for bio final Flashcards

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1
Q

What are the steps for a scientific method ?

A

Recognize a problem , collect data , form a hypothesis , test it , form a conclusion

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2
Q

Whats the control group ?

A

group that doesn’t receive treatment

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3
Q

What is cytoplasm ?

A

jelly-like portion of a cell

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4
Q

What is photosynthesis ?

A

the capture of sunlight to use as energy

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5
Q

What is light-dependent in chemical reactions ?

A

to convert solar energy into chemical energy in the form of NADPH and ATP.

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6
Q

what is light-independent in chemical reactions?

A

fuel the assembly of sugar molecules.

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7
Q

What captures light in plant cells ?

A

chloroplasts

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8
Q

Whats the function of all organelles in the cell?

A

nucleus

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9
Q

What are the differences and similarities in a plant cell and animal cell ?

A

Plants cells a have a cell wall and are prokaaryotic.

Animal cells don’t have a cell wall and are eukaryotic.

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10
Q

what’s a organelle ?

A

number of organized or specialized structures within a living cell.

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11
Q

What’s the function of a organelle ?

A

carry out specific functions within the cell

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12
Q

What happens inside a mitochondrion ?

A

produces energy through cellular respiration

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13
Q

What are the differences and similarities of a monomer and polymer molecule ?

A

Monomer - sugar , phosphate , nitogenous base

Polymer - made by monomers , cellulose

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14
Q

What do enzymes do in biochemical reactions ?

A

speeds up the reaction

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15
Q

understand how a microscope works.

A

Robert Hooke invented it and

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16
Q

What is activation energy in biochemical reactions ?

A

catalyzed reaction

17
Q

What is the function of carbohydrates in a cell ?

A

to supply energy to cells

18
Q

How does temperature affect the rate of biochemical reactions ?

A

changes the reaction rates

19
Q

What are the differences and similarities sugars and enzymes ?

A

sugars - Body uses it as energy ( glucose )

Enzymes - speed up reaction by lowering activation energy

20
Q

What does a catalyst do in biochemical reactions ?

A

changes reaction rate but is not used or changed

21
Q

Which elements can be found in all types of biological molecules ?

A

Carbon

22
Q

What type of chemicals bonds are found in water molecules ?

A

covalent bonds

23
Q

What is selective permeability regards to a plasma membrane ?

A

allows certain molecules or ions to pass through it by means of active or passive transport

24
Q

What is plasma membrane ?

A

Consists proteins and lipids , and regulates things that go in and out of cytoplasm

25
Q

What is Glycolysis ?

A

breakdown of glucose into pyruvic acid

26
Q

What happens to a phosphate group if moved from ATP?

A

Lower ADP molecule

27
Q

What is transcription ?

A

change of genetic code from DNA to RNA

28
Q

What is translation ?

A

change of genetic code from mRNA to proteins

29
Q

Whats a DNA codon ?

A

3 bases

30
Q

What are Adenine , guanine , cytosine , and thymine?

A

codons

31
Q

What’s the metric system ?

A

KHD.DCM ( big -> small ) ( small

32
Q

How do cells produce energy ?

A

through cellular respiration

33
Q

What is cellular respiration ?

A

oxygen breaks down organics molecules , into carbon dioxide and water

34
Q

How many chromosomes are in human Somatic cell ?

A

46

35
Q

How many chromosomes are in a human gamete ?

A

23

36
Q

What is the function of the phospholiipid bilayer of the cell membrane ?

A

to store and transport a variety of proteins that are essential to the cell’s function.

37
Q

What process is occurring when yeast produces carbon dioxide ?

A

aerobic respiration