What is feedback regulation, give an example of negative feedback
a change in a given direction causes change in the opposite direction.EX: air conditioning
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25
Describe how an enzyme can lower the activation energy of a reaction
1)Substrate orientation 2)Straining substrate bonds 3)Providing a favorable microenvironment 4)Covalently bonding to the substrate
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eraser
Reset score!
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star
Double points!
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rocket
Go to first place!
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lifesaver
Give 20 points!
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15
DNA sequence to which RNA polymerase and associated factors bind and initiate transcription.
Promoter
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15
What is apoptosis?
Programmed cell death
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15
Three consecutive nucleotides in mRNA that specify the insertion of an amino acid
Codon
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15
What is the ATP synthase, where is it expressed and what is its function?
ATP synthase is a mitochondrial enzyme uses the H+ gradient across the inner mitochondrial membrane to drive ATP synthesis. Chemiosmosis.
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15
Describe the difference between genotype and phenotype.
genotype is the set of genes that it carries. An organism's phenotype is all of its observable characteristics
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15
Describe the difference between complete dominance, incomplete dominance and codominance.
Incomplete dominance and codominance are both types of inheritance where one allele isn’t completely dominant over the other allele. Complete: 1 dom. allele.
