Genetics Unit Quiz #1

This organelle makes proteins using directions from DNA:

• ribosomes

• mitochondria

• cell membrane

• nucleus

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The process of DNA copying itself is:

• cheating

• sublimation

• mutation

• replication

Strands of DNA that are twisted together are called:

• genes

• chromosomes

• nitrogen bases

• genotypes

DNA:

• contains coded instructions that store and pass on genetic information from one generation to the next

• is the exact same in all family members

• stands for dynamic nuclear activity

• is not found in plants

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DNA is made of interlocking nucleotides. A nucleotide consists of one each of the following:

• phosphate, sugar, carbon base

• nitrogen base, nucleic acid, sugar

• phosphate, sugar, protein

• phosphate, sugar, nitrogen base

Which new strand of DNA would correctly pair with ATCGA

• TAGCT

• ATGCA

• CGTAC

• TAGCA

Adenine only pairs with:

• guanine

• cytosine

• thymine

• nitrogen

Because DNA is like a twisted ladder, the STEPS of this ladder are:

• phosphates

• sugars

• nitrogen bases

• alleles

What shape is DNA in?

• straight line

• funnel shaped

• wave lengths

• double helix

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Where is DNA found in a cell?

• the ribosomes

• the nucleus

• the mitochondria

• the cell membrane

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