Test 2 Flashcards

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1
Q

DNA must duplicate itself

A

A. Whenever a cell divides

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2
Q

DNA is a polymer of

A

D. Nucelotides

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3
Q

A _____ is a segment of DNA containing the information for one protein polypeptide

A

A. Gene

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4
Q

Molecules of _____ leave the nucleus to be translated

A

C. mRNA

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5
Q

Translation

A

B. Produces a protein or polypeptide

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6
Q

A polypeptide (protein) of ____ amino acids would be coded by a segment of DNA 90 nucleotides long

A

b. 30

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7
Q

The mRNA segment that would be made from a DNA reading TTaCG; would be

A

c. AAUGC

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8
Q

Ribosomes are

A

B. Required for translation

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9
Q

Mutations may be caused by

A

D. All of the above

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10
Q

_____, a student of Aristotle, is called the father of botany and wrote one of the first classifications of plants.

A

D. Theophrastus

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11
Q

A scientific name or binomial consists of a ____ and a species name.

A

C. Genus

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12
Q

The following is an advantage of the scientific binomial system

A

D. All of the above

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13
Q

____ invented the binomial system of scientific names

A

A. Linnaeus

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14
Q

A ___ is a book that helps identify the plants in a defined region, for example northern Utah

A

b. Flora

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15
Q

What information is used to construct a natural classification or phylogeny

A

D.All of the above

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16
Q

For natural selection to occur the most fit individuals must survive and

A

D. Reproduce

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17
Q

The process in nature that eliminates less fit individuals and allows more fit individuals to survive is

A

C. Natural Selection

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18
Q

A favorable characteristic that increases an organism’s chance to survive and reproduce is an

A

B. Adaptation

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19
Q

Humans need about ____Calories per day

A

C. 1200-3200

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20
Q

Plants store sugars mainly in the form of

A

D. Starch

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21
Q

Dietary plant fiber consists mainly of

A

B. Cell Walls

22
Q

Amino Acids that we must consume because our bodies cannot make them are called

A

B. Essential

23
Q

Humans often only partially breakdown ____ into their subunits and then reassemble them into new and useful compounds, rather than use them up in cellular respiration just to make ATP

A

B. Protiens

24
Q

Fats have 9 Calories per gram. Proteins and carbohydrates have _____ Calories per gram

A

C. 4

25
Q

Most of the fats in our diet are ____

A

D. Triglycerides

26
Q

Cholesterol is

A

A. Absent from all plant derived foods

27
Q

Triglycerides like olive, peanut and canola oil with a high percentage of ____ fatty acids are considered the healthiest fats.

A

D. Monosaturated

28
Q

Lack of vitamin folic acid can cause

A

C. Neural tube birth defects.

29
Q

Lycopene and flavonoids are example of ____ that may enhance human health

A

A. Phytochemicals

30
Q

Modern humans have existed for over 100,000 years, but agriculture did not rise until approximately

A

C. 10,000 years ago

31
Q

Agriculture rose at least twice in the Old World, in the Fertile Crescent and ____

A

b. China

32
Q

Plant parts that are well preserved at archaeological sites include

A

D. Both A and B

33
Q

Scientists think that as humans began agriculture

A

A. They continued to forage while they made a gradual transition.

34
Q

Carbon Dating

A

C. Only works on organic material like wood and seeds

35
Q

The following traits are often bred into crop plants

A

A. Non-shattering grain heads and large fruits

36
Q

Research from 1916-1936 _____ determined 8 centers of origin for domesticated plants

A

C. Vavilov

37
Q

For example, _____ farming moved from Mexico to the northeast US before European discovery

A

C. Corn

38
Q

Queen Hatshepsut sent an expedition to Ethiopia in 1500 B.C. to collect _____ in one of the first documented plant collecting expeditions.

A

C. Frankincense

39
Q

Quina-Quina was first used by the Incas to treat

A

A. Malaria

40
Q

The voyage of the H.M.S. bounty under Captain Bligh was intended to

A

C. Introduce breadfruit to slave plantations

41
Q

Often traveling in disguise, Robert Fortune made four plant collecting trips to China during the ____, when it was dangerous to be there as a British citizen

A

D. Opium Wars

42
Q

Joseph Rock “discovered” and introduced the Chualmoogra tree to the west from Myanmar as a cure for

A

B. Leprosy

43
Q

____ Founded the USDA section of Foreign Plant and Seed introduction.

A

A. David Fairchild

44
Q

Ethnobotany is the study of ____ people and their use of plants.

A

D. Indigenous

45
Q

Harvard ethnobotanist _____ worked in the Amazon for over 15 continuous years and collected germplasm of rubber trees that were high yielding and blight resistant.

A

C. Richard Schultes

46
Q

Richard Evan Schultes and his students pioneered the ____ method of ethnobotany

A

A. Participant Observer

47
Q

During WW2, the USDA Rubber Research Program was started because

A

C. Japan controlled the world’s supply of natural rubber

48
Q

Mark Plotkin’s statement, “Every time a ____ dies, it’s as if a library has burned down” refers to the fragile nature of knowledge in cultures with an oral tradition of communication.

A

B. Shaman.

49
Q

Utahn Paul Alan Cox worked in ____ to preserve the land and culture of the indigenous people.

A

D. American Samoa

50
Q

Blah blah blah blah, knowledge in the tropical rain forests are the difficulty in continuing the oral tradition of knowledge and

A

A. Loss of habitat.