Ch 6 Life Sci Question Preview (ID: 24433)


DNA. TEACHERS: click here for quick copy question ID numbers.

How many bases make up code for an amino acid?
a) 1
b) 2
c) 3
d) 4

Genes consist of a string of nucleotides that give the cell information about how to make a specific trait.
a) true
b) false
c)
d)

Which of these is NOT a genetic mutation?
a) insertion
b) deletion
c) substitution
d) generation

The shape of DNA is called the
a) single helix
b) double helix
c) triple helix
d) twisted ladder

A mutation is a change in the number, type, or order of bases.
a) true
b) false
c)
d)

DNA is wound around
a) lipids
b) fats
c) proteins
d) ribosomes

Rosalind Franklin found that the amount of adenine always equals the amount of thymine in DNA.
a) true
b) false
c)
d)

A molecule that is present in all living cells and that contains the info that determines traits is called
a) DNA
b) RNA
c) CIA
d) NBA

The amino acids linked together in ribosomes become
a) proteins
b) ER
c) DNA
d) fats

There are 5 bases that a nucleotide can have.
a) true
b) false
c)
d)

A copy of a DNA segment that moves out of the nucleus and into the cytoplasm is called
a) tRNA
b) mRNA
c) rRNA
d) cDNA

Which is not something a nucleotide contains?
a) sugar
b) phosphate
c) base
d) sulfur

Adenine, thymine, cytosine, and guano are the 4 bases a nucleotide can have
a) true
b) false
c)
d)

Besides bases, what does tRNA carry?
a) proteins
b) fats
c) carbohydrates
d) amino acids

Who built a model of DNA?
a) Chargaff
b) Franklin
c) Watson and Crick
d) Einstein

When humans manipulate genes of another organism, that is called
a) genetic engineering
b) genetic fingerprinting
c) genetic goofing off
d) genetic god-playing

A cell organelle composed of RNA and protein that produces proteins
a) nucleus
b) ribosome
c) ER
d) chloroplast

Give the complementary sequence to AGTTG
a) CAGGT
b) TCAAT
c) TCAAC
d) GCATA

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