DNA Lesson

I could answer the question "I can demonstrate the purpose of DNA in living things" ...

• Not at all, I have no idea

• I am unsure but my understanding is developing

• I am more or less confident in my ability

• Easily and fully

Tags

NGSS.HS-LS1-1

Select all answers below that are nitrogen bases found in DNA.

• Adenine

• Cytosine

• Thymine

• Guanine

• Uracil

What is the nucleic acid that contains hereditary information for the cell?

• Deoxyribonucleic acid

• Acetonucleic acid

• Ribonucleic acid

• Lysonucleic acid

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Deoxyribose is -

• a spiral structure of two complementary strands of DNA

• the sugar found in DNA

• DNA or RNA

• a purine

Select all statements below that are true of DNA.

• The structure of DNA was first described by Watson and Crick.

• DNA contains all information needed by the cell to perform life functions.

• DNA has the shape of a twisted ladder.

• DNA is found outside the plasma membrane.

Each nucleotide consists of -

• a purine, thymine, and a phosphate

• a nitrogen base, a sugar, and a phosphate

• a nitrogen base, adenine, and a sugar

• a sugar, a phosphate, and a ribose

A nucleotide is a monomer, which means -

• it pairs with only one other type of particle

• it is a single unit that can join together with others to form a polymer

• it is a spiral structure shaped like a twisted ladder

• it contains hereditary information for a single organism

The types of proteins produced in a cell are regulated by -

• the location of cell organelles

• the DNA code

• transfer RNA

• enzymes

Tags

NGSS.HS-LS1-1

The nitrogenous bases always bond according to the base (a)   rule.

A purine always bonds with a ______________.

• thymine

• guanine

• pyrimidine

• cytosine