Chapter 7 Flashcards Preview

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Flashcards in Chapter 7 Deck (29):
1

VO2 max is depended on

Training
Nutrition
Genetics
Heart pumping capacity
Heart volume

2

VO2 max of 18-35 yo

At least 70 ml/kg/min
High as 90

3

What is genome

The genome is the genetic fingerprint of an individual organism

4

How many genes in human genome

~35000

5

Characteristic of a differentiated tissues

Only some cells produce some specific proteins

6

Coding sequence is called

Exons

7

Non coding sequence is called

Introns

8

Purines

Guanine
Adenine

9

Pyrimidine

Cytosine
Thymine

10

New DNA strands are

Complementary

11

After transcription mRNA goes to

Cytoplasm from nucleous

12

Ribosomes are located in the

Cytoplasm

13

Function of tRNA

Carry AA to ribosomes

14

Different types of cells/tissues are determined by

Partial expression of the DNA

15

Resisitance training increase

Of most proteins in skeletal muscle
Similar to increase in muscle specific proteins during embryonic development

16

Endurance training increase in

Mitochondrial density without change in muscle size

17

Inherited defects occur from

Ganete ( sperm/egg) mutations

18

Mutation rate

~ 1 in 25,000 gametes

19

Name some sex linked genes

Hemophelia
Color blindness
Duchenne muscular dystrophy

20

T/F
In monozygotic twins muscle fibers type composition is almost identical

T

21

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

T

22

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

T

23

In non athletes most type II fibers are

II-X

24

In athletes ------fibers are more prevalent

II-a

25

Gene doping

Gene manipulation to enhance sport performance is called gene doping

26

Function of myostatin

Circulates throughout body acting as a brake on muscle growth

27

Myostatin receptor defect results in

Excessive muscular growth

28

Marathon mouse genetically engineered for

Increased oxidative capacity

29

T/F
Marathon mouse has greater fat-oxidation capacity

T