First Aid images

Question 1

Evaluation of diagnostic tests

TP = true positive;

FP = false positive;

TN = true negative;

FN = false negative.

Answer 1

Question 2

Negative predictive valve (NPV)

NPV = TN/ (FN + TN)

Answer 2

Question 3

REM sleep

Answer 3

Question 4

Chromatin structure

Answer 4

Question 5

Nucleotides

Answer 5

Question 6

De novo Pyrimidine & Purine Synthesis

Answer 6

Question 7

Purine Salvage pathways

Answer 7

Question 8

Telomerase: (RNA dependent DNA polymerase)

Answer 8

Question 9

DNA, RNA & Protein synthesis Direction

Question 10

Start and Stop Codons

Answer 10

Question 11

Regulation of gene expression

Answer 11

Question 12

RNA processing (eukaryotes)

Answer 12

Question 13

Splicing pre-mRNA:

Performed by spliceosome (snRNP) binds to primary transcript add splice junction (intron; GU-AG).

Answer 13

Question 14

Introns vs. Exons:

(INtrons stay IN the nucleus, whereas EXons EXit & are EXpressed).

Answer 14

Question 15

tRNA Charging

Answer 15

Question 16

Protein synthesis:

Think of “going APE”:

1. A site = incoming Aminoacyl-tRNA.
2. P site = accommodates growing Peptide
3. E site = holds Empty tRNA as it Exits

Answer 16

Question 17

Cell cycle phases

Answer 17

Question 18

Cell trafficking

Answer 18

Question 19

Collagen synthesis & structure

Answer 19

Question 20

Osteogenesis Imperfecta (brittle bone disease):

Blue Sclera

Answer 20

Question 21

Blotting procedures

Answer 21

Question 22

Trinucleotide Repeat Expansion Diseases

Answer 22

Question 23

S-adenosyl-methionine

Answer 23

Question 24

Vitamin D

Answer 24

Question 25

Ethanol Metabolism

Answer 25

Question 26

Malnutrition

Answer 26

Question 27

Pyruvate Metabolism

Question 28

Electron Transport Chain & Oxidative Phosphorylation

Answer 28

Question 29

HMP shunt (pentose phosphate pathway)

Oxidative (irreversible)

Answer 29

Question 30

HMP shunt (pentose phosphate pathway)

Nonoxidative (reversible)

Answer 30

Question 31

Respiratory Burst (Oxidative Burst)