LESSON 1 DNA The Genetic Material NEW

LESSON 1 DNA The Genetic Material

by Aicelle Velasco

Multiple Choice

This scientist(s) found a "transforming principle" that changed harmless bacteria into harmful bacteria

• Mendel

• Avery

• Chargraff

• Griffith

Multiple Choice

This scientist(s) conducted experiments that involved injecting mice with S bacteria and R bacteria.

• Avery

• Griffith

• Watson & Crick

• Hershey & Chase

Multiple Choice

What was the achievement of Avery?

• The involved transformation between two forms of S. pneumoniae - smooth and rough strain

• He identified the molecule that transformed the R strain of S. pneumoniae into the S strain.

• He used radioactive labeling to trace bacteriophage DNA and protein.

• He concluded that the bacteriophage DNA was injected into the cell, and provided the genetic informationn needed to produce new viruses.

Multiple Choice

What are the parts of a nucleotide?

• phosphate, sugar, base

• A, T, G, C

• Nucleic Acids

• two base pairs connected

Multiple Choice

What does DNA stand for?

• Deoxyribonucleic acid

• Denitrogenous acid

• Deribonucleic acid

• Diribonucleic acid

Multiple Choice

Name this structure

• double helix

• nucelotide

• twisted ladder

• hydrogen bond

Multiple Choice

In DNA, Adenine bonds with ______________.

• Guanine

• Thymine

• Cytosine

• Adenine

Multiple Choice

Guanine bonds with ______________.

• Adenine

• Guanine

• Cytosine

• Thymine

Multiple Choice

Who is responsible for producing this image?

• Francis Crick

• James Watson

• Rosalind Franklin

• Watson and Crick

Multiple Choice

What does this image show?

• Double helical structure of DNA

• Triple Helical Structure of DNA

• Double helical structure of RNA

• Triple Helical Structure of RNA

Multiple Choice

What did Erwin Chargaff conclude from his experiments?

• Nitrogen bases are held together by peptide bonds

• A and T, C and G always occur in equal amounts

• Proteins are the carriers of genetic information

• C and G rarely occur in eukaryotic organisms

Multiple Choice

What was Watson and Crick's main scientific accomplishment?

• Building the first accurate model of DNA

• Isolating strains of pneumonia causing bacteria

• Determining base pairing rules

• Discovering the process of genetic transformation

Multiple Choice

Which type of cell is this?

• Prokaryote

• Eukaryote

Multiple Choice

What are nucleotides?

• The building blocks of DNA

• Each strand of DNA

• Basically the same thing as amino acids

• Bacteria that infect viruses

Multiple Choice

Which of the following best describes a DNA molecule?

• double helix

• contains ribose

• made of amino acids

• contains Uracil