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Memoria Press Modern Biolgoy > Chapter 10 Review > Flashcards

Chapter 10 Review Flashcards

1
Q

What is Biology?

A

the study of life

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2
Q

All living organisms show some degree of order or organization. What is the smallest functional unit that exhibits all of the characteristics of life and order?

A

cell

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3
Q

What are the products in the hydrolysis of ATP?

A

ADP, phosphate, and energy

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4
Q

How many covalent bonds is a carbon atom able to form with other compounds or elements?

A

4

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5
Q

Organic molecules that catalyze reactions in living systems are what?

A

enzymes

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6
Q

the coumpound that is stored as glycogen in animals and starch in plants is what?

A

glucose

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7
Q

Molecules with the same molecular formula but different structures are called what?

A

isomers

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8
Q

Amino acids become linked together by peptide bonds during ___ reactions.

A

Condensation

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9
Q

How many different types of monomers are found in proteins?

A

20

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10
Q

What are the four major macromolecules of life?

A

carbohydrates; lipids; proteins; nucleic acids

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11
Q

What is the monomer of a carbohydrate?

A

monosaccharide

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12
Q

As a cell becomes smaller, its surface area ___ relative to its volume.

A

increases

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13
Q

Which scientist was described cells as “many little boxes”?

A

Robert Hool

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14
Q

What is the primary function of the mitochondria?

A

produce energy for cell activity

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15
Q

What structures would be found in a prokaryote?

A

ribosome, cytoplasm, plasmid

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16
Q

Which organelle performs the function of photosynthesis in a plant?

A

chloroplast

17
Q

What three types of molecules make up the cell membrane?

A

phospholipids, proteins, sterols

18
Q

What is one of the primary functions of the plasma membrane?

A

controls what moves into and out of the cell

19
Q

Which eukaryotic organelle is responsible for packaging and exporting proteins?

A

rough endoplasmic reticulum

20
Q

What is the movement of water through a cell membrane called?

A

osmosis

21
Q

What are some types of passive transport?

A

osmosis, diffusion, facilitated diffusion

22
Q

Why is active transport considered to be an active rather than a passive process?

A

it requires energy

23
Q

During the G0 phase, cells do what?

A

exict the cell cycle

24
Q

During cell division, the DNA of a eukaryotic cell is tightly packed and coiled into structures called what?

A

chromosomes

25
Q

Most prokaryotic cells reproduce by a process called what?

A

binry fission

26
Q

two similar copies of each autosome that carry the same traits and are the same size and shape are what?

A

homologues

27
Q

What is the end result of mitosis?

A

Two identical diploid cells

28
Q

What is the purpose of synapsis and crossing-over in eukaryotic cells?

A

ensure genetic variability of offspring

29
Q

What happens when crossing-over occurs?

A

corresponding genes are exchanged between homologues

30
Q

If an organism has a diploid number of 28, what will its haploid number be?

A

14

31
Q

Bases complementary to adenine and guanine in DNA are respectively

A

Thymine and cytosine

32
Q

Base-pairing rules dicate that a strand of DNA with the base sequence of ATCGTCAATC will form an opposite bs sequence of

A

TAGCAGTTAG

33
Q

If the percentage of thymine on a DNA strand is 40%, what will the percentage of guanine be?

A

10%

34
Q

Amino acids are assembled based on instructions encoded in teh sequence of necleotides on the

A

mRNA

35
Q

translation takes place in/on the what?

A

ribosome

36
Q

During the synthesis of protein, new mRNA is made by what process?

A

transcription

37
Q

Base-pairing rules dictate in DNA replication that a strand of DNA with the base sequence of GTAATCATG will form an opposite base sequence of ___.

A

CATTAGTAC

38
Q

List three items found in a molecule of nucleic acid

A

deoxyribose, phosphate, cytosine

Memoria Press Modern Biolgoy (29 decks)

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