LS.12 Genetics and Heredity Pt I

The diagram above shows a picture of the DNA molecule. It can be described as...

• a single strand with two nitrogenous bases.

• having a double helix shape.

• being flat like a sheet of paper

• rod-shaped

In Deoxyribonucleic acid, cytosine pairs with the nitrogen base, -

• thymine

• uracil

• adenine

• guanine

The hereditary material that controls all cellular activities is called-

• ATP

• Cytoplasm

• DNA

• chloroplast

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

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In Deoxyribonucleic acid, Adenine pairs with the nitrogen base, -

• guanine

• thymine

• cytosine

• uracil

What is the correct abbreviation for Deoxyribonucleic acid?

• DOA

• RNA

• DNA

• DRA

DNA can be described as-

• having a structure of a single helix.

• all of the above

• having a structure like a twisted ladder.

• storing the vacuole(s) of a cell.

Strands of DNA that are twisted together are known as -

• chromosomes

• genotypes

• recessive

• nitrogen bases

Where is the genetic material of a eukaryotic cell located?

• In the cell wall

• Outside the nuclear membrane

• In the nucleus

• In the ribosomes

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DNA is sometimes referred to as a ladder. Which two molecules make up the sides of the DNA ladder?

• phosphate and deoxyribose (sugar)

• phosphate and ribose (sugar)

• phosphate and nitrogen base

• nitrogen base and ribose (sugar)

Rosalind Franklin created the above X-ray to examine the--

• division of DNA

• alleles of DNA

• chromosomes of DNA

• structure of DNA

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