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