unit 1 reminders Flashcards
Name the hormone involved in glycolysis
Glycogen
Which correctly describes cell division in a specific cell type?
Germiline— mitosis— diploid
What is not a use of stem cells
IVF treatment
Stem cells in the red bone marrow give rise too
Platelets, red blood cells, white blood cells
What leads to the formation of tumors
Cancer cells do not respond to regulatory signs and divide excessivley
Why are mutations in germline cells more serious than mutations in somatic cells
The mutation could be passes on to offspring whereas somatic cells affects only particular cell and any cells that arise from it
State one benefit to the human body of satalite cells differentating into myoblast cells
Myoblast cells grow, repair and renew muscles
Decribe the function of RNA polymerase
RNA polymerase sunthesised RNA from the DNA template by adding free RNA nucleotides to compelemtary bases on DNA. It also unwinds the hydrogen bonds between DNA bases
State one substance other than rRNA that makes up a ribosome
Protein
What does Alternative RNA splicing do?
Different proteins can be formed from a single gene, depending on which parts of the primary mRNA transcript are treated as exons
Name a component of a nucleotide which would be found at the 3’ end of a DNA molcecule
Deoxyribose sugar
State the role of DNA ligase in replication of DNA
Joins togther fragments of DNA on the lagging strand
Which molecules are required in the replplication of a lagging strand
DNA polymerase, ligase and primers
Describe the heating of the DNA in stage one of PCR
Separates the stands
What molecules make up DNA
Bases, Nucleotides and deoxyribose sugar
