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Biology Unit 1 Part 2

Question 1 of 5

1

Arteries carry blood ____________________

Select one of the following:

  • Away from the heart

  • To the heart

Explanation

Question 2 of 5

1

WHAT ARE DISACCHARIDES MADE UP OF?

Select one of the following:

  • Two monosaccharides joined together by a condensation reaction.

  • One oxygen atom and two hydrogen atoms for each carbon atom present.

  • Many monosaccharide units joined by glycosidic bonds as a result of many condensation reactions.

Explanation

Question 3 of 5

1

What acts as a template for mRNA?

Select one of the following:

  • Antisense strand

  • Sense strand

  • tRNA

  • Messenger strand

Explanation

Question 4 of 5

1

The absence of the melanin pigment cause what disease?

Select one of the following:

  • Albinism

  • Thalassaemia

  • Cystic fibrosis

Explanation

Question 5 of 5

1

DNA mononucleotides contain a phosphoric acid, a Nitrogen-containing base and which pentose sugar?

Select one of the following:

  • Deoxyribose

  • Ribose

  • Glucose

  • Pentose

Explanation

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