misconceptions of topic 2 Flashcards
(38 cards)
bond in between glycerol and fatty acid
ester bond
difference between replication of DNA and transcription
- replication of DNA uses DNA nucleotides whereas transcrition uses RNA nucleotides
- replication of DNA produces double stranded DNA molecule whereas transciption produces single strand RNA molecule
- replication of DNA produces gentically identical copies whereas transciption produces complimentary copy
- replication of DNA uses DNA polymerase whereas transcription produces RNA polymerase
state methods to determine is a person is obese
- BMI
- waist to hip ratio
what is formed when several amino acid are joined
polypeptide chain and water
name the type of inheritance when the genotype and phenotype of offsprings are diff but they are from the same parents
incomplete dominance
how to know if a condition is caused by recessive alleles
if recessive alleles
the parents should not be affected by the condition but the childrens have the condition
if that is the case then the parents are hetrozygous
how does vein realte to its structure
- large lumen: reduce resistance to blood flowing backwards
- thin layer to maintain pressure
- valves to prevent backflow
- smooth endothelium - reduce resistance to blood flow
what does CFTR gene code for
Channel protein
to find out which cardiac cycle is shown on a diagram
- look at which valve is open and which valve is closed
- AV valve is open and SL is closed during atrial systole
- SL valve is open and AV is closed during the ventricle systole
-(USUALLY THE VALVE ON YOUR RIGHT HAND SIDE IS AV VALVE AND THE VALVE ON THE LEFT HAND SIDE IS SL VALVE)
outside part of the artery is
collagen
what does collagen do
provides structure, strength and support
structure of glycogen
has 1-4 glycosidic bond
glycogen is only glucose molecles
what molecules involved in cell recognition
glycoprotein
difference between endocytosis and exocytosis
endocytosis is substance entering in the formation of a vescicles and exocytosis is the substance leaving which involves vesicles fusing with the cell surface.
similarities between endocytosis and exocytosis
Endocytosis and exocytosis are both cellular processes and forms of active transport.
why can not some molecules go though intact cell membrane
the molecules are too large and so there are no carrier or channel proteins for the molecules to go through and some molecules may be polar therefore repelled by the hydrophobic fatty acid
genetic code
universal, degenerate and non overlapping
universal means
each codons codes for the same amino acid
degenerate
most amino acid codes for more the one codon
non overlapping
each base in a sequence is only read once as we move along the strand
1) base sequence
2)massive
3)helix
4)sugar phosphate backbone
1)stores genetic info
2) massive amount of genetic info stored
3)makes it compact
4)provides sustainability and protects base from mutation
compare and contrast globular and fibrous
- both joined by peptide bonds
- both contain hydrogen, disuphide and ionic bonds
Globular proteins have hydrophobic groups on the outside whereas fibrous have hydrophillic
Globular are folded but fibrous are long chains
Globular has tertiary and quatnery structure whereas Fibrous has some or no tertiary structure.
Globular is soluble whereas fiborus is insoluble
the adv of fluid mosaic model
fluid - can diffuse faster
proteins are more relatively to each other
functions of proteins that occupy the plasma membrane
identify the foreign cell
cell recognition
enzymes
receptors
channel proteins
