2525389
Frage 1
Frage
What base pairs with Adenine?
Antworten
-
Guanine
-
Thymine
-
Cytosine
-
Uracil
Frage 2
Frage
What part of plant cells enable them to photosynthesize?
Antworten
-
Chloroplasts
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Mitochondria
-
Nucleus
-
Vacuole
Frage 3
Frage
Which of these features do only bacteria cells have?
Antworten
-
Cell Wall
-
Flagellum
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Cytoplasm
Frage 4
Frage
Which 2 scientists constructed the model of the DNA molecule?
Antworten
-
Rosalind Franklin and Maurice Wilkin
-
James Watson and Maurice Wilkin
-
Rosalind Franklin and Francis Crick
-
James Watson and Francis Crick
Frage 5
Frage
Where in a cell are proteins made?
Antworten
-
Ribosomes
-
Nucleus
-
Mitochondria
-
Chloroplasts
Frage 6
Frage
During the transcription process of Protein Synthesis, adenine is replaced with uracil
Antworten
- True
- False
Frage 7
Frage
what is the name of the stage in protein synthesis where the mRNA is read a codon at a time at the ribosomes?
Antworten
-
Transcription
-
Translation
Frage 8
Frage
During protein synthesis what does tNRA bring to the ribosome?
Antworten
-
Amino acids
-
Proteins
-
Red blood cells
-
mRNA
Frage 9
Frage
A change to an organism's DNA base sequence is know as what?
Antworten
-
A mutation
-
A characteristic
-
Variation
-
Genes
Frage 10
Frage
mutations can only be harmful
Antworten
- True
- False
Frage 11
Frage
If it's too hot enzymes will die
Antworten
- True
- False
Frage 12
Frage
The optimum temperature for most human enzymes is what?
Antworten
-
37 degrees celsius
-
36 degrees celsius
-
36.5 degrees celsius
-
38 degrees celsius
Frage 13
Frage
which factors can potentially denature enzymes?
Antworten
-
temperature
-
substrate concentration
-
light intensity
-
pH level
Frage 14
Frage
which is a positive about the Human Genome Project?
Antworten
-
Increased Stress
-
Accurate Diagnosis
-
Discrimination from insurers
-
increase crop yield
Frage 15
Frage
which of these are negatives about the Human Genome Project?
Antworten
-
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
Frage 16
Frage
in genetic engineering what is used to cut genes out of an organism's chromosome?
Antworten
-
enzymes
-
scissors
-
lasers
-
bacteria
Frage 17
Frage
what is the specific name for enzymes that cut the DNA?
Antworten
-
lysozyme enzymes
-
restriction enzymes
-
DNA- enzymes
-
separating enzymes
Frage 18
Frage
which of these are benefits of genetic engineering?
Antworten
-
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
Frage 19
Frage
a negative of Genetic Engineered food is that people are concerned we could develop allergies to them
Antworten
- True
- False
Frage 20
Frage
Mitosis results in 2 haploid daughter cells
Antworten
- True
- False
Frage 21
Frage
what does Mitosis create?
Antworten
-
2 diploid daughter cells
-
2 diploid daughter cells that are genetically identical
-
4 haploid daughter cells that are genetically identical
-
2 haploid daughter cells
Frage 22
Frage
a cell created from mitosis will have 23 pairs of chromosomes
Antworten
- True
- False
Frage 23
Frage
Mitosis is sexual reproduction
Antworten
- True
- False
Frage 24
Frage
a haploid cell has how many chromosomes?
Antworten
-
23 pairs
-
23
-
46
-
15
Frage 25
Frage
Meiosis has 2 divisions
Antworten
- True
- False
Frage 26
Frage
cells produced from Mitosis are genetically identical
Antworten
- True
- False
Frage 27
Frage
cells produced from meiosis are genetically identical
Antworten
- True
- False
Frage 28
Frage
Is meiosis sexual or asexual reproduction
Antworten
-
asexual
-
sexual
Frage 29
Frage
in cloning, when the nucleus of a cell is removed it is...
Antworten
-
enucleated
-
de-nucleated
-
nucleised
-
remonucleated
Frage 30
Frage
what is given to the cell during cloning in order to stimulate it and make it divide
Antworten
-
an electric shock
-
Heat radiation
-
ultra-sonic vibrations
-
a prod
Frage 31
Frage
cloning could provide organs for organ transplants
Antworten
- True
- False
Frage 32
Frage
cloning could help endangered species
Antworten
- True
- False
Frage 33
Frage
if clones were exposed to a new disease, the entire population could be wiped out
Antworten
- True
- False
Frage 34
Frage
there are only embryonic stem cells
Antworten
- True
- False
Frage 35
Frage
where can adult stem cells be found
Antworten
-
muscle tissue
-
bone marrow
-
skin
-
saliva
Frage 36
Frage
the process of a stem cell becoming specialised is known as what?
Antworten
-
differentiation
-
specialisation
-
specification
-
differing
Frage 37
Frage
Embryonic stem cells are
Antworten
-
multi-potent
-
pluri-potent
Frage 38
Frage
adult stem cells are
Antworten
-
multi-potent
-
pluri-potent
Frage 39
Frage
Cytosine pairs with Thymine
Antworten
- True
- False
Frage 40
Frage
when 2 gametes join they become a zygote
Antworten
- True
- False
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