DNA Structure and Function Review

What is the long name for DNA?

• deoxynucleic acid

• deoxyribonucleic acid

• denatured ribonucleic acid

• deoxoribonuclear acid

Adenine always pairs with:

• thymine

• cytosine

• guanine

• Ribose

The "rungs" of the DNA ladder are made of:

• phosphates and hydrogen

• glucose and sugars

• sugars and phosphates

• Nitrogen base pairs

The DNA molecule is held together by:

• magnetism

• glucose

• glue

• hydrogen bonds

The process by which DNA makes a copy of itself is called:

• synthesis

• replication

• transcription

• Translation

A gene is:

• a segment of DNA that codes for a protein

• a set of homologous chromosomes

• a molecule within DNA

• a type of pants

Tags

NGSS.HS-LS3-2

The twisted ladder shape of DNA is called a:

• hydrogen twist

• deoxyribose flip

• double helix

• double membrane

RNA differs from DNA in that:

• it has a different kind of sugar

• it is single stranded

• it has uracil

• all of these

DNA is called the "blueprint of life" because:

• it is like a fingerprint

• it has a blue color

• it contains the plans for building an organism

• it can relay messages to other molecules

The two men who established the structure of DNA were:

• Frederick and Alvers

• Watson and Crick

• Berkely and Fry

• Darwin and Lamarcke