Chapter 7 Flashcards

1
Q

VO2 max is depended on

A
Training
Nutrition 
Genetics 
Heart pumping capacity 
Heart volume
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2
Q

VO2 max of 18-35 yo

A

At least 70 ml/kg/min

High as 90

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3
Q

What is genome

A

The genome is the genetic fingerprint of an individual organism

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4
Q

How many genes in human genome

A

~35000

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5
Q

Characteristic of a differentiated tissues

A

Only some cells produce some specific proteins

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6
Q

Coding sequence is called

A

Exons

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7
Q

Non coding sequence is called

A

Introns

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8
Q

Purines

A

Guanine

Adenine

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9
Q

Pyrimidine

A

Cytosine

Thymine

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10
Q

New DNA strands are

A

Complementary

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11
Q

After transcription mRNA goes to

A

Cytoplasm from nucleous

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12
Q

Ribosomes are located in the

A

Cytoplasm

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13
Q

Function of tRNA

A

Carry AA to ribosomes

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14
Q

Different types of cells/tissues are determined by

A

Partial expression of the DNA

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15
Q

Resisitance training increase

A

Of most proteins in skeletal muscle

Similar to increase in muscle specific proteins during embryonic development

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16
Q

Endurance training increase in

A

Mitochondrial density without change in muscle size

17
Q

Inherited defects occur from

A

Ganete ( sperm/egg) mutations

18
Q

Mutation rate

A

~ 1 in 25,000 gametes

19
Q

Name some sex linked genes

A

Hemophelia
Color blindness
Duchenne muscular dystrophy

20
Q

T/F

In monozygotic twins muscle fibers type composition is almost identical

A

T

21
Q

T/F

In non athletes , # of type 1 fibers ~= # of type II fibers

A

T

22
Q

T/F

Great variation between elite sprinters and elite marathoners in ratios of type 1 to type II fibers

A

T

23
Q

In non athletes most type II fibers are

A

II-X

24
Q

In athletes ——fibers are more prevalent

A

II-a

25
Q

Gene doping

A

Gene manipulation to enhance sport performance is called gene doping

26
Q

Function of myostatin

A

Circulates throughout body acting as a brake on muscle growth

27
Q

Myostatin receptor defect results in

A

Excessive muscular growth

28
Q

Marathon mouse genetically engineered for

A

Increased oxidative capacity

29
Q

T/F

Marathon mouse has greater fat-oxidation capacity

A

T