Mod 2: Genetics

Question 1

Nucleosides

Answer 1

Precursor to nucleotides

Nitrogen base w 5 carbon sugar->nucleotide w a phosphate group

Question 2

Nucleotides w role in metabolism

Answer 2

ATP, GTP, CTP, UTP

Question 3

Nucleotides w role in cell signalling

Answer 3

cGMP, cAMP

Question 4

Nucleotides w role in regulating enzyme activities

Answer 4

coenzyme A, FAD,NAP, NADP

Question 5

Nitrogen base purines

Answer 5

Adenine, Guanine

Used in forming DNA

Question 6

Nitrogen pyrimidines

Answer 6

Cytocine, thymine, uracil

Formation of dna/rna

Question 7

Gene

Answer 7

Portion of DNA w code for amino acid sequence

Question 8

Codon

Answer 8

Sequence of 3 nucleotide bases w code for amino acids, part of the gene

Question 9

Gametes how many chromosomes
Reproduce how

Can mutation be passed

Answer 9

Haploid-23 chromosomes
Meiosis=daughter cell w 23 chromosomes
Cannot pass mutation

Question 10

Somatic cells how many chromosomes
How reproduce
Can mutations be passed

Answer 10

Diploid, 46 chromosomes, mitosis = daughter cell w 46 chromosomes
Can pass mutations

Question 11

Sex linked disorders occur on which pair of chromosomes

Answer 11

Occur on 23 pair

Question 12

Turner syndrome

Answer 12

Sex linked monosomy
45 chromosomes, X|O
Females

Question 13

Downsyndrome

Answer 13

Autosomal trisomy

3x’s on 21st pair

Question 14

Klinefelters

Answer 14

Sex linked trisomy XXX|Y

Question 15

Huntingtons

Answer 15

Autosomal dominant

Dementia, uncontrolled movements

Question 16

Cystic fibrosis

Answer 16

Autosomal recessive

Question 17

Phenylketouria

Answer 17

Homozygous recessive

Question 18

Hemophilia

Answer 18

X linked, deficiency of clotting factors