What base pairs with Adenine?
What part of plant cells enable them to photosynthesize?
Which of these features do only bacteria cells have?
Which 2 scientists constructed the model of the DNA molecule?
Rosalind Franklin and Maurice Wilkin
James Watson and Maurice Wilkin
Rosalind Franklin and Francis Crick
James Watson and Francis Crick
Where in a cell are proteins made?
During the transcription process of Protein Synthesis, adenine is replaced with uracil
what is the name of the stage in protein synthesis where the mRNA is read a codon at a time at the ribosomes?
During protein synthesis what does tNRA bring to the ribosome?
Red blood cells
A change to an organism's DNA base sequence is know as what?
mutations can only be harmful
If it's too hot enzymes will die
The optimum temperature for most human enzymes is what?
37 degrees celsius
36 degrees celsius
36.5 degrees celsius
38 degrees celsius
which factors can potentially denature enzymes?
which is a positive about the Human Genome Project?
Discrimination from insurers
increase crop yield
which of these are negatives about the Human Genome Project?
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
in genetic engineering what is used to cut genes out of an organism's chromosome?
what is the specific name for enzymes that cut the DNA?
which of these are benefits of genetic engineering?
Reducing vitamin A deficiency- GE rice called Golden Rice contain genes that create Beta- Carotene which helps with Vitamin A deficiency
increases crop yield
produce human insulin on a commercial scale
a negative of Genetic Engineered food is that people are concerned we could develop allergies to them
Mitosis results in 2 haploid daughter cells
what does Mitosis create?
2 diploid daughter cells
2 diploid daughter cells that are genetically identical
4 haploid daughter cells that are genetically identical
2 haploid daughter cells
a cell created from mitosis will have 23 pairs of chromosomes
Mitosis is sexual reproduction
a haploid cell has how many chromosomes?
Meiosis has 2 divisions
cells produced from Mitosis are genetically identical
cells produced from meiosis are genetically identical
Is meiosis sexual or asexual reproduction
in cloning, when the nucleus of a cell is removed it is...
what is given to the cell during cloning in order to stimulate it and make it divide
an electric shock
cloning could provide organs for organ transplants
cloning could help endangered species
if clones were exposed to a new disease, the entire population could be wiped out
there are only embryonic stem cells
where can adult stem cells be found
the process of a stem cell becoming specialised is known as what?
Embryonic stem cells are
adult stem cells are
Cytosine pairs with Thymine
when 2 gametes join they become a zygote