Science Midterm P4

Question 1

Worked with X-ray crystallography which implied shape of DNA

Answer 1

Wilkins & Franklin

Question 2

Found that ratios of adenine and thymine as well as guanine and cytosine base pairs were same percentages

Answer 2

Erwin Chargaff

Question 3

First to build model of double helix structure of DNA with proper placement of bases and pairs. Won Nobel prize for the work.

Answer 3

Watson & Crick

Question 4

“Father of Genetics”; States factors were passed from parent to offspring

Answer 4

Gregor Mendel

Question 5

A section of DNA that codes for a trait is called a

Answer 5

Gene

Question 6

Adenine compromised or made up 40% of the nitrogenous bases in the DNA of bacteria cell. What is the percentage of thymine in that same piece of DNA?

Answer 6

40%

Question 7

A change in DNA base pairs

Answer 7

Mutations

Question 8

True or False:

Originally, protein was considered to be heredity molecule, not DNA

Answer 8

True

Question 9

The three part unit consisting of a phosphate, sugar, and a base is called a

Answer 9

Nucleotide

Question 10

According to the Central Dogma, DNA carries the instructions for making (blank), which are made of amino acids

Answer 10

Proteins