DNA RNA

Question 1

What is Friedrich Meischer known for?

Answer 1

interested in pus that was discarded from surgical bandages

Question 2

What is Phoebus Leven known for?

Answer 2

Finding the Nucleotide structure

Question 3

What is william astbury known for?

Answer 3

Found that DNA has a regular structure

Question 4

How did Astbury know about the DNA regular structure?

Answer 4

He used X-Ray diffraction

Question 5

What was Frederich griffith Known for?

Answer 5

Found that DNA carries genetic information?

Question 6

Killed smooth + Live rough = ?

Answer 6

smooth

Question 7

What did Hershey and Chase confirm?

Answer 7

That DNA carried genetic information

Question 8

What was Photo 51 of?

Answer 8

Double helix Model

Question 9

Who took photo 51?

Answer 9

Rosalind Franklin

Question 10

What did Watson and Crick do?

Answer 10

Based on Photo 51, found double helix model

Question 11

Where is DNA in prokaryotes?

Answer 11

Cytoplasm

Question 12

Where is DNA in Eukaryotic Cells?

Answer 12

Nucleus

Question 13

Which typically has more DNA, prokaryotes or eukaryotes?

Answer 13

eukaryotes

Question 14

What is a polymer made of?

Answer 14

Many single units

Question 15

What is a nucleotide?

Answer 15

Phosphate group, 5 carbon sugar (dioxyribose sugar), nitrogen base

Question 16

What are the two types of nitrogen bases?

Answer 16

Purine and Pyrimidine

Question 17

What bases make up Purine?

Answer 17

adenine, guanine

Question 18

what bases make up Pyrimidine?

Answer 18

Thymine, cytosine

Question 19

What is each side of the double helix made of?

Answer 19

Phosphate-sugar-N Base

Question 20

How to the double helix sides stick together?

Answer 20

hydrogen bonds

Question 21

How many bonds are cytosine and guanine?

Answer 21

3 H Bonds

Question 22

How many bonds are Adenine and Thymine?

Answer 22

2 H bonds

Question 23

Where does the linkage with the H bonds occur?

Answer 23

Between bases

Question 24

In Prokaryotes, how does DNA replicate? (separate, direction)

Answer 24

separates in 1 place

moves in 2 directions

Question 25

In eukaryotes, how does DNA replicate? (separate, direction)

Answer 25

Multiple sites (replication forks), DNA separates, moves 1 direction on each side until complete

Question 26

What unzips the DNA

Answer 26

helicase

Question 27

What does helicase do?

Answer 27

split DNA and breaks H bonds between N base pairs

Question 28

What does the DNA polymerase do?

Answer 28

assists duplication of missing side

Question 29

What are genes

Answer 29

coded DNA instructions

Question 30

Where are proteins made?

Answer 30

ribosome

Question 31

How do instructions get from nucleus to ribosome?

Answer 31

RNA!

Question 32

What is the structure of RNA

Answer 32

long chains of nucleotides

Question 33

What base changes in rna?

Answer 33

Thymine to uracile

Question 34

What are the three types of RNA?

Answer 34

mRNA (messenger) tRMA (transfer) rRNA (ribosomal)

Question 35

What does mRNA do?

Answer 35

carried the instructions for assembling proteins

Question 36

Ribosomes are made of?

Answer 36

proteins and rRNA

Question 37

what does rRNA do?

Answer 37

decodes mRNA

Question 38

what does tRNA do?

Answer 38

transfers amino acids to ribosome

Question 39

What is the function of polypeptides?

Answer 39

enzyme, starts reactions

Question 40

What is a polymer?

Answer 40

chain of amino acids

Question 41

How is the order of amino acids determined?

Answer 41

DNA/RNA

Question 42

How is RNA created?

Answer 42

by copying part of the DNA nucleotide sequence

Question 43

What does a polymerase do?

Answer 43

Binds DNA, Separates the strands, copies on side of DNA

Question 44

What are the four nitrogenous bases?

Answer 44

adenine, cytosine, guanine, URACIL

Question 45

what is a codon?

Answer 45

groups of 3 nucleotides | specify a particular amino acid