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B2 Topic 1 Part 2 Knowledge Test SDCC Flashcards | StudBud

Explore/B2 Topic 1 Part 2 Knowledge Test SDCC

B2 Topic 1 Part 2 Knowledge Test SDCC

10 terms·StudBud Administration·109 plays

Complete this to revise B2 topic 1 from stem cells to enzymes.

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Questions 10

Answers

1
When an enzyme changes shape it is...
optimum
renatured
denatured
protein synthesis
2
a change in the DNA sequence is called a...
evolution
replication
devolution
mutation
3
Whatis the main source of stem cells in research?
adult stem cells
embryonic stem cells
pig stem cells
cat stem cells
4
In which part of the enzyme does the reaction take place?
lock
protein
key
active site
5
Proteins are made of...
chains of carboyhrates
chains of amino acids
chains of DNA
chains of sugars
6
Which is not a disadvantage of using embryonic stem cells?
they can be used to treat ilnnesses
many people believe their use is unethical
they can become any type of cell including cancerous cells
they grow into plant stems
7
What provides the code for thestructure of a protein?
nuclear division
amino acids
mitosis
base triplets
8
Temperature effects enzymes by...
cooking them medium rare
causing them to denature when it gets too high
causing them to denature when it is at the optimum
causing them to move slower as the temperature increases
9
An enzyme is specific. What does this mean?
it has denatured by being activated
the substrate can be any shape
the enzyme is a key
it has a shape that fits the substrate
10
An enzyme is...
a specific shape
a protein
all 3
a biological catalyst