Test 2 Flashcards

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

25
Most of the fats in our diet are ____
D. Triglycerides
26
Cholesterol is
A. Absent from all plant derived foods
27
Triglycerides like olive, peanut and canola oil with a high percentage of ____ fatty acids are considered the healthiest fats.
D. Monosaturated
28
Lack of vitamin folic acid can cause
C. Neural tube birth defects.
29
Lycopene and flavonoids are example of ____ that may enhance human health
A. Phytochemicals
30
Modern humans have existed for over 100,000 years, but agriculture did not rise until approximately
C. 10,000 years ago
31
Agriculture rose at least twice in the Old World, in the Fertile Crescent and ____
b. China
32
Plant parts that are well preserved at archaeological sites include
D. Both A and B
33
Scientists think that as humans began agriculture
A. They continued to forage while they made a gradual transition.
34
Carbon Dating
C. Only works on organic material like wood and seeds
35
The following traits are often bred into crop plants
A. Non-shattering grain heads and large fruits
36
Research from 1916-1936 _____ determined 8 centers of origin for domesticated plants
C. Vavilov
37
For example, _____ farming moved from Mexico to the northeast US before European discovery
C. Corn
38
Queen Hatshepsut sent an expedition to Ethiopia in 1500 B.C. to collect _____ in one of the first documented plant collecting expeditions.
C. Frankincense
39
Quina-Quina was first used by the Incas to treat
A. Malaria
40
The voyage of the H.M.S. bounty under Captain Bligh was intended to
C. Introduce breadfruit to slave plantations
41
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
D. Opium Wars
42
Joseph Rock "discovered" and introduced the Chualmoogra tree to the west from Myanmar as a cure for
B. Leprosy
43
____ Founded the USDA section of Foreign Plant and Seed introduction.
A. David Fairchild
44
Ethnobotany is the study of ____ people and their use of plants.
D. Indigenous
45
Harvard ethnobotanist _____ worked in the Amazon for over 15 continuous years and collected germplasm of rubber trees that were high yielding and blight resistant.
C. Richard Schultes
46
Richard Evan Schultes and his students pioneered the ____ method of ethnobotany
A. Participant Observer
47
During WW2, the USDA Rubber Research Program was started because
C. Japan controlled the world's supply of natural rubber
48
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.
B. Shaman.
49
Utahn Paul Alan Cox worked in ____ to preserve the land and culture of the indigenous people.
D. American Samoa
50
Blah blah blah blah, knowledge in the tropical rain forests are the difficulty in continuing the oral tradition of knowledge and
A. Loss of habitat.