Chromosomes

Question 1

Chromosomes

Answer 1

coiled DNA

Question 2

where are chromosomes found?

Answer 2

in the nucleus

Question 3

what are chromosomes made of?

Answer 3

Made up of strands of DNA

Question 4

gene

Answer 4

a series of nucleotides found on the DNA
determine traits
sections of DNA that code for specific proteins

Question 5

what is an allele?

Answer 5

pairs of chromosomes, one from mom, one from dad, which pair THE GENE IS BOTH VERSIONS OF THAT SECTION

Question 6

what do all organisms want to do with their DNA

Answer 6

pass it on to their offspring REPRODCE

Question 7

how many chromosomes do we have?

Answer 7

46

Question 8

Hydrogen bonds

Answer 8

molecular bond, not chemical

positive attracted to negative

Question 9

number of adenine equals

Answer 9

number of thymine

Question 10

number of cytosine equals

Answer 10

number of guanine

Question 11

what is A,G,C,T or U? How we read the codon wheel

Answer 11

language of proteins

letters: nucleotides
words: amino acids
complete: sentences: proteins

Question 12

phenotype

Answer 12

physical characteristic

Question 13

RNA key roles/ types

Answer 13

• mRNA: messenger
• rRNA: (A now pairs with U) hooks protein to peptide bond
• tRNA: transfer

Question 14

transcription

Answer 14

enzyme splits the strand, then pairs proteins together

Question 15

translation

Answer 15

converting from the language of DNA/ RNA to proteins, to make the protein structure

Question 16

how many genes do you have in your skin cells?/ heart cells/ sperm/ egg

Answer 16

25,000/ 25,000/ 25,000/ 25,000

Question 17

what differentiates skin cells from your heart cells, nerve, muscle cells?

Answer 17

genes turn on and turn off during development