Lessons on RNA

What is RNA?

Multiple Choice

DNA is important because it holds the “recipe” for making ________.

• carbs

• humans

• proteins

• cookies

Fill in the Blank

DNA is very important; it controls

the workings of the cell. However,

it is trapped inside the nucleus.

In order to get all of its instructions to the rest of the cell, DNA relies on ___.

Multiple Choice

RNA contains 4 nitrogen bases: adenine, guanine, cytosine and ______________ .

• uracil

• thymine

• phosphate

• nucleotide

Multiple Choice

In RNA, uracil pairs with _________.

• thymine

• adenine

• cytosine

• guanine

Multiple Choice

RNA is single stranded, so it is ___________ than DNA. This means it can leave the nucleus (which DNA cannot).

• larger

• wider

• longer

• smaller

Fill in the Blank

____ is also a nucleic acid- it is made out of linked nucleotides (like DNA).

Fill in the Blank

DNA is double stranded, and RNA is _________ stranded.

Multiple Choice

RNA’s job is to help DNA make ____________.

• protein

• carbon

• oxygen

• helium

Multiple Choice

______________ uses the DNA’s code (or message) to make proteins!

• mRNA

• tRNA

• rRNA

• aRNA

Fill in the Blank

Another word for ________ is “peptide”.

Multiple Choice

proteins are made up of smaller parts called ___________.

• amiibo acids

• animal acids

• amino acids

Multiple Choice

If the template DNA strand was AGC ATT, then the mRNA strand would be:

• TCG UAA

• TCG TAA

• TTA CGA

• ABC DEF

Multiple Choice

If the template DNA strand was GAT TAC, then the mRNA strand would be:

• CTA ATG

• CUA AUG

• UGA UGA

• GAU TAC

Multiple Choice

If the template DNA strand was CAT CAT, then the mRNA strand would be:

• DOG DOG

• GUA GUA

• GTA GTA

• GGUUAA

Multiple Choice

mRNA is always __________ to the template DNA strand.

• complementary

• identical

Multiple Choice

Protein synthesis means:

• to destroy proteins

• to make proteins

• to consume proteins

• to examine proteins

Multiple Choice

Each combination of three nitrogen bases on messenger RNA forms a (an)

• nucleic acid

• codon

• anticodon

• enzyme

Multiple Choice

New mRNA is made through the process of:

• duplication

• transcription

• translation

• crystallography

Multiple Choice

In messenger RNA, each codon specifies a particular

• amino acid

• nucleotide

• purine

• pyrimidine

Multiple Choice

Which molecule cannot leave the nucleus of the cell?

• rRNA

• mRNA

• DNA

• tRNA