DNA & RNA

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DNA & RNA

R. Gallagher

Name two purine bases in DNA

2 points

Adenine

Thymine

Guamine

Cytosine

Uracil will only bond to....

1 point

Adenine

Cytosine

Thymine

Guamine

Clear selection

Which of the following best describes rRNA?

1 point

Gets code from DNA & carries to ribosome

Holds mRNA in place

Transfers amino acids to mRNA & binds to complementary codon

Clear selection

Junk DNA is

1 point

Non coding DNA

DNA only related to insignificant traits

Clear selection

Name 2 locations where RNA is found but not DNA (pick 2)

2 points

Cytoplasm

Ribosome

Nucleus

Mitochondria

Chloroplast

Which of the following best describes mRNA?

1 point

Gets code from DNA & carries to ribosome

Holds mRNA in place

Transfers amino acids to mRNA & binds to complementary codon

Clear selection

Translation is the

1 point

Making of mRNA using a DNA template

Making a protein using mRNA code

Clear selection

RNA polymerase is a catalyst in protein synthesis

1 point

True

False

Clear selection

Which of the following best describes tRNA?

1 point

Gets code from DNA & carries to ribosome

Holds mRNA in place

Transfers amino acids to mRNA & binds to complementary codon

Clear selection

A gene is a unit of heredity

1 point

True

False

Clear selection

Purines will only bond to pyramidines

0 points

True

False

Clear selection

Type of bonding between bases?

1 point

Ionic

Covalent

Hydrogen

Clear selection

An allele is a different form of a gene

1 point

True

False

Clear selection

What is the first step in DNA profiling?

1 point

Fragments are separated according to size by electrophoresis

DNA is cut using restriction enzymes

The fragments are analysed and compared with other DNA

Clear selection

Cytosine will only bond to.....

1 point

Adenine

Thymine

Guamine

Clear selection

Name a type of organism that only contains one type of nucleic acid

1 point

Monera

Animals

Fungi

Viruses

Clear selection

Name the carbohydrate that is a component of nucleotides

1 point

Deoxyribose

Glucose

Starch

Cellulose

Clear selection

What is the final step in DNA profiling?

1 point

Fragments are separated according to size by electrophoresis

DNA is cut using restriction enzymes

The fragments are analysed and compared with other DNA

Clear selection

Name the component of a nucleotide that is neither a nitrogenous base nor a carbohydrate

1 point

Adenine

Polymerase

Phosphate

Clear selection

Transcription is the

1 point

Making of mRNA using a DNA template

Making a protein using mRNA code

Clear selection

mRNA is formed using a single strand of DNA

1 point

True

False

Clear selection

RNA is single stranded.

1 point

True

False

Clear selection

Name the cell organelle in which proteins are manufactured

1 point

Mitochondria

Nucleus

Ribosome

Clear selection

What is the final step in protein synthesis?

1 point

Transfers amino acids to mRNA & binds to complementary codon

Folding

Transferring code to mRNA

Clear selection

Submit

Clear form

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