Translation is the process where

mRNA is decoded to form a protein

is where lipids are synthesised

Does the order of amino acids matter when making a protein?

Yes, a different order would give the protein a different shape

No, as long as it uses the right amount of each amino acid, the order does not matter

No, a specific gene might code for a different amino acid chain each time

Yes, two of the same amino acids cannot be linked together

The purpose of protein synthesis is to ___________.

Use the DNA instructions in order to build proteins

Make a new copy of DNA that is identical to the original strand

Break down proteins and release energy for the body

Break down glucose and store the energy within ATP molecules

Which of the following is a correct difference between DNA and RNA molecules?

DNA contains the nitrogen base thymine while RNA has uracil.

DNA contains 4 different nitrogen bases and RNA only has 3.

RNA is double-stranded while DNA is single-stranded.

RNA is a type of protein while DNA is a nucleic acid.

A genetically identical organism

Cows are selectively bred to produce milk. Which of the following will cause the next generation to receive the trait to produce large quantities of milk?

information in their chromosomes

electrical impulses to their brains

What are genetically modified (GM) organisms and GM foods?

Foods or organiisms with DNA modified in a way that doesn't occur naturally

Food and organisms that have been injected with hormones

Mutations can benefit humans because they can:

Make an organism more suited to live in its environment.

Make organisms live shorter lives

Cause organisms to grow extra limbs.

A mutation is defined as:

A change in the cell's structure

Anything that changes in an embryo

Any change in the physical features of a human

Mutations can be negative because

They can help an organism thrive in its environment.

Which is the primary purpose of using restriction enzymes in gel electrophoresis?

It allows the strands of DNA to be cut into various lengths for testing

It restricts the number of base pairs that can be tested in a sample

It makes the testing simpler by moving the strands into the gel faster

In gel electrophoresis, the largest DNA fragment will appear

farthest from the starting wells

three quarters away from the starting wells

it depends on how many fragments there are

Why do the fragments of DNA in gel electrophoresis travel away from the negative electrode?

DNA is negatively charged so attracted to the positive end of the unit

DNA is positively charged to attracted to the negative end of the unit

the agarose gel in negatively charged

the agarose gel is positively charged

What applications can gel electrophoresis be used for?

Sequence Endangered Species DNA

Honors Protein Synthesis

Authored by Colleen Moriarty

Biology

9th - 12th Grade

NGSS covered

Used 38+ times

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48 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In RNA, Uracil pairs with ______.

cytosine

adenine

guanine

thymine

MULTIPLE CHOICE QUESTION

30 sec • 12 pts

The process to go from DNA to mRNA is _______

translation

transcription

replication

MULTIPLE CHOICE QUESTION

30 sec • 12 pts

The process to go from mRNA to a protein is called ____

transcription

rRNA

replication

translation

MULTIPLE CHOICE QUESTION

1 min • 1 pt

DNA holds the code for

lipids

carbohydrates

protein

sugar

Choose the nucleotide sequence of the RNA strand that would be complementary to the following strand:
GTAGTCA

UATUAGA

ACGACTG

CAUCAGU

CATCAGT

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

The main function of tRNA is to...

carry a message that, when translated, forms proteins

form a portion of ribosomes

string together complementary RNA and DNA strands

bring amino acids from the cytoplasm to the ribosomes

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What amino acid is represented by the codon UUA?

Phenylalanine

Tyrosine

Leucine

Stop codon

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