Exam 2

Question 1

Is RNA more stable or reactive

Answer 1

Reactive

Question 2

What is the major difference in DNA/RNA

Answer 2

DNA has oxygen and hydrogen, while RNA only has hydrogen

Question 3

Is DNA more stable or reactive

Answer 3

Stable

Question 4

What are small bases called and what are they?

Answer 4

Pyrimidines, ( C-T)

Question 5

What are large bases called and what are they?

Answer 5

Purines, (A-G)

Question 6

What is double stranded and anti parallel?

Answer 6

DNA

Question 7

What are the Complementary Bonds?

Answer 7

A pairs with T : G pairs with C

Question 8

What is the distance between the pairs

Answer 8

2 nanometers

Question 9

Distance from one “stair” to the next

Answer 9

0.3

Question 10

How many bases to go around?

Answer 10

10

Question 11

Which replication model brings 2 half’s to make new strands

Answer 11

*Semi conservative

Question 12

What Model stated that DNA double helix structure is held together by hydrogen bonds

Answer 12

Watson & Crick Model 1953

Question 13

Which replication model fully retains your model of DNA, never changing your original information

Answer 13

Conservative

Question 14

Which replication model scrambles the DNA losing and shifting the information

Answer 14

Dispersive

Question 15

What does the telomere prevent

Answer 15

Unraveling

Question 16

What process is used to make copy of cells, growth & development (repair)

Answer 16

Mitosis

Question 17

What process is used to create gametes (sex cells)

Answer 17

Meiosis

Question 18

What does Heterozygous Mean

Answer 18

having two different versions of the same gene

Question 19

What does Homozygous Mean

Answer 19

having 2 same versions of the same gene

Question 20

What does the first gap In Mitosis do?

Answer 20

Cells make sure prep

Question 21

What does the second gap in Mitosis do?

Answer 21

Checks if all the copying is right

Question 22

What is Interphase

Answer 22

G1+ S + G2

Question 23

What happens in Prophase (Mitosis & Meiosis)

Answer 23

Nucleus disassembles, spindal fiber form

Question 24

What happens in Metaphase (Mitosis)

Answer 24

Sister chromosomes line up single file

Question 25

What happens in Telophase (Mitosis)

Answer 25

2 nuclei in the cell

Question 26

What happens in Cytokinesis (Mitosis)

Answer 26

Splits the 2 nuclei in half

Question 27

What happens in Anaphase. (Mitosis & Meiosis)

Answer 27

Separates the the file lines

Question 28

What happens in Metaphase (Meiosis)

Answer 28

Lines up in a double file

Question 29

What is the Mitochondria, and what is it’s function?

Answer 29

Powerhouse of the cells- makes atp

Question 30

What do Lysosomes do?

Answer 30

Dissemble things

Question 31

What are Organelles

Answer 31

Digestive enzymes

Question 32

Where is the Endoplasmic Reticulum (Er)

Answer 32

Inside the cytoplasm

Question 33

What is the difference between rough and smooth (er)

Answer 33

Rough er has ribosomes, where smooth er does not

Question 34

What synthesis is rough er responsible for

Answer 34

Protein synthesis

Question 35

What synthesis is smooth er responsible for

Answer 35

Lipid synthesis

Question 36

What is Protein synthesis

Answer 36

when ribosomes help make protein

Question 37

What is Lipid Synthesis

Answer 37

When cells are making phospholipids

Question 37

Golgi

Answer 37

Where protein & lipids are shipped and received

Question 38

Nucleus

Answer 38

Stores information

Question 39

What is a phenotype

Answer 39

Something you can measure

Question 40

What is the mutation only in X chromosome

Answer 40

Hemophilia

Question 41

What are Ribosomes

Answer 41

Building blocks that make protein (RNA)