Exam One Flashcards

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1
Q

Starch is?

A

A complex carbohydrate

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2
Q

pH is?

A

a measurement of (H) ion concentration

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3
Q

which of the following particles of an atom are negatively charged and rotate around the nucleus?

A

electrons

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4
Q

the core of the atom contains?

A

protons and neutrons

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5
Q

which of the following is not a genetic material

A

vitamin

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6
Q

which of the following is a biological system and is made of several types of tissues

A

organ

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7
Q

which of the following is not a characteristic of non living things

A

the have at least one of more cells

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8
Q

which of the following is directly associated with deductive or inductive reasoning

A

conclusion

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9
Q

a hypothesis made based on previous observations may help to

A

design experiments to test your observations

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10
Q

a scientific method includes all of the following except

A

hesitation

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11
Q

Which group includes the simplest of organisms that do not have a nucleus?

A

bacteria

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12
Q

Biologists divided all living organisms into

A

3 domains

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13
Q

Which one distinguishes living things from nonliving?

A

adaptation to a new environment

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14
Q

Which one is a reproductive process?

A

cell division

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15
Q

The process of passing genetic information from generation to generation is?

A

works only for few living things

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16
Q

____ is a characteristic of all living things (single cell or multicellular) to maintain stable internal conditions

A

homeostasis

17
Q

A hypothesis is best described as

A

a logical explanation that can be tested

18
Q

In science, which of the following has the most general acceptance

A

experimentation

19
Q

Group of similar cells that act as functional unit at the most basic level are called

A

tissue

20
Q

Biological study brought about

A

vaccination for diseases

21
Q

Which of the following is not directly related with the study of life?

A

astronomy

22
Q

is a scientific process of gathering data before hypothesis is made

A

observations

23
Q

An experimental group is

A

the same as control group

24
Q

What are the products in this chemical reaction? C6H12O6 + 6O2 à 6CO2 + 6H2O

A

C6H12O6 + 6O2

25
Q

Which subatomic particle(s) is(are) located in the center of an atom (nucleus)?

A

neutrons and protons

26
Q

Which one of the following is a molecule?
a. O2
b. H2O
c. CO2
d. all of the above

A

all of the above

27
Q

. A covalent bond is

A

the attraction that one atom has for another atom

28
Q

Attraction between differently charged ions forms ____bond

A

ionic

29
Q

Polymers of organic molecules can be reduced into monomers by

A

hydrolysis

30
Q

The correct symbol for a hydrogen ion is
a. OH-/>/>
b. H
c. H+
d. OH+/>/>

A

C

31
Q

Lemon juice has very high concentration of [H+], it is

A

acidic

32
Q

Triglyceride refers to

A

fat

33
Q

Which of the following is green-colored pigmented organelle?

A

chlorophyll

34
Q

The cell organelle that is involved in the synthesis of proteins is

A

ribosome

35
Q

osmosis is

A

net movement of water across selective membrane