Edexcel Additional Science Biology Topic 1- Genes and Enzymes

hchen8nrd
Quiz by , created about 4 years ago

40 question quiz on B2 topic 1. any comments on how to improve it or what other quizzes you'd like are welcomed. :)

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hchen8nrd
Created by hchen8nrd about 4 years ago
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Question 1

Question
What base pairs with Adenine?
Answer
  • Guanine
  • Thymine
  • Cytosine
  • Uracil

Question 2

Question
What part of plant cells enable them to photosynthesize?
Answer
  • Chloroplasts
  • Mitochondria
  • Nucleus
  • Vacuole

Question 3

Question
Which of these features do only bacteria cells have?
Answer
  • Cell Wall
  • Flagellum
  • Cytoplasm

Question 4

Question
Which 2 scientists constructed the model of the DNA molecule?
Answer
  • Rosalind Franklin and Maurice Wilkin
  • James Watson and Maurice Wilkin
  • Rosalind Franklin and Francis Crick
  • James Watson and Francis Crick

Question 5

Question
Where in a cell are proteins made?
Answer
  • Ribosomes
  • Nucleus
  • Mitochondria
  • Chloroplasts

Question 6

Question
During the transcription process of Protein Synthesis, adenine is replaced with uracil
Answer
  • True
  • False

Question 7

Question
what is the name of the stage in protein synthesis where the mRNA is read a codon at a time at the ribosomes?
Answer
  • Transcription
  • Translation

Question 8

Question
During protein synthesis what does tNRA bring to the ribosome?
Answer
  • Amino acids
  • Proteins
  • Red blood cells
  • mRNA

Question 9

Question
A change to an organism's DNA base sequence is know as what?
Answer
  • A mutation
  • A characteristic
  • Variation
  • Genes

Question 10

Question
mutations can only be harmful
Answer
  • True
  • False

Question 11

Question
If it's too hot enzymes will die
Answer
  • True
  • False

Question 12

Question
The optimum temperature for most human enzymes is what?
Answer
  • 37 degrees celsius
  • 36 degrees celsius
  • 36.5 degrees celsius
  • 38 degrees celsius

Question 13

Question
which factors can potentially denature enzymes?
Answer
  • temperature
  • substrate concentration
  • light intensity
  • pH level

Question 14

Question
which is a positive about the Human Genome Project?
Answer
  • Increased Stress
  • Accurate Diagnosis
  • Discrimination from insurers
  • increase crop yield

Question 15

Question
which of these are negatives about the Human Genome Project?
Answer
  • People with genetic problems could come under pressure to not have children
  • doctors know what genes cause what illnesses so we could get better diagnosis'
  • Employers might discriminate against people who are genetically more likely to get a disease
  • Life insurance would be hard or expensive to get if you're genetically susceptible to diseases

Question 16

Question
in genetic engineering what is used to cut genes out of an organism's chromosome?
Answer
  • enzymes
  • scissors
  • lasers
  • bacteria

Question 17

Question
what is the specific name for enzymes that cut the DNA?
Answer
  • lysozyme enzymes
  • restriction enzymes
  • DNA- enzymes
  • separating enzymes

Question 18

Question
which of these are benefits of genetic engineering?
Answer
  • Reducing vitamin A deficiency- GE rice called Golden Rice contain genes that create Beta- Carotene which helps with Vitamin A deficiency
  • Reduces biodiversity
  • increases crop yield
  • produce human insulin on a commercial scale

Question 19

Question
a negative of Genetic Engineered food is that people are concerned we could develop allergies to them
Answer
  • True
  • False

Question 20

Question
Mitosis results in 2 haploid daughter cells
Answer
  • True
  • False

Question 21

Question
what does Mitosis create?
Answer
  • 2 diploid daughter cells
  • 2 diploid daughter cells that are genetically identical
  • 4 haploid daughter cells that are genetically identical
  • 2 haploid daughter cells

Question 22

Question
a cell created from mitosis will have 23 pairs of chromosomes
Answer
  • True
  • False

Question 23

Question
Mitosis is sexual reproduction
Answer
  • True
  • False

Question 24

Question
a haploid cell has how many chromosomes?
Answer
  • 23 pairs
  • 23
  • 46
  • 15

Question 25

Question
Meiosis has 2 divisions
Answer
  • True
  • False

Question 26

Question
cells produced from Mitosis are genetically identical
Answer
  • True
  • False

Question 27

Question
cells produced from meiosis are genetically identical
Answer
  • True
  • False

Question 28

Question
Is meiosis sexual or asexual reproduction
Answer
  • asexual
  • sexual

Question 29

Question
in cloning, when the nucleus of a cell is removed it is...
Answer
  • enucleated
  • de-nucleated
  • nucleised
  • remonucleated

Question 30

Question
what is given to the cell during cloning in order to stimulate it and make it divide
Answer
  • an electric shock
  • Heat radiation
  • ultra-sonic vibrations
  • a prod

Question 31

Question
cloning could provide organs for organ transplants
Answer
  • True
  • False

Question 32

Question
cloning could help endangered species
Answer
  • True
  • False

Question 33

Question
if clones were exposed to a new disease, the entire population could be wiped out
Answer
  • True
  • False

Question 34

Question
there are only embryonic stem cells
Answer
  • True
  • False

Question 35

Question
where can adult stem cells be found
Answer
  • muscle tissue
  • bone marrow
  • skin
  • saliva

Question 36

Question
the process of a stem cell becoming specialised is known as what?
Answer
  • differentiation
  • specialisation
  • specification
  • differing

Question 37

Question
Embryonic stem cells are
Answer
  • multi-potent
  • pluri-potent

Question 38

Question
adult stem cells are
Answer
  • multi-potent
  • pluri-potent

Question 39

Question
Cytosine pairs with Thymine
Answer
  • True
  • False

Question 40

Question
when 2 gametes join they become a zygote
Answer
  • True
  • False