Biology Unit 1 Part 2

hannahsanderson1
Quiz by , created over 5 years ago

As Edexcel Biology

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hannahsanderson1
Created by hannahsanderson1 over 5 years ago
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Question 1

Question
Arteries carry blood ____________________
Answer
  • Away from the heart
  • To the heart

Question 2

Question
WHAT ARE DISACCHARIDES MADE UP OF?
Answer
  • 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.

Question 3

Question
What acts as a template for mRNA?
Answer
  • Antisense strand
  • Sense strand
  • tRNA
  • Messenger strand

Question 4

Question
The absence of the melanin pigment cause what disease?
Answer
  • Albinism
  • Thalassaemia
  • Cystic fibrosis

Question 5

Question
DNA mononucleotides contain a phosphoric acid, a Nitrogen-containing base and which pentose sugar?
Answer
  • Deoxyribose
  • Ribose
  • Glucose
  • Pentose