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FCTC Chemistry AND FIRE Science EXAM Questions and Answers Verified Solutions Latest Update 4

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FCTC Chemistry AND FIRE Science EXAM Questions and Answers Verified Solutions Latest Update 4

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FCTC Chemistry AND FIRE Science
EXAM Questions and Answers
Verified Solutions Latest Update


Question:

DNA shape.

Answer:
double helix (twisted ladder)


Question:

Complementary nucleotide base pairs.

Answer:
Adenine-Thymine Guanine-Cytosine


Question:

Steps of DNA replication.

Answer:
1. helicase separates dna molecule (unzipping)


Question:

primase and polymerse creates 2 strands-seprerate dna molecules

Answer:
(new dna)


Question:

liagase 'zips' 2 strands back together (zipping)

, Question:

Mutations.

Answer:
random permanent change to DNA molecule


Question:

Mitosis.

Answer:
2 identical daughter cells produced (diploid) 46 chromosomes Stages acronym
(IPMATC) Somatic cells


Question:

Meiosis.

Answer:
4 daughter cells (haploid) 23 chromosomes 2 divisions Stages acronym (IPMATPMAT)
Only in sex cells (gamates)


Question:

Meosis vs. Mitosis.

Answer:


Question:

Heterozygous.

Answer:
An organism that has two different alleles for a trait


Question:

homozygous dominant.

Answer:
Both alleles (factors) for a trait are the same and dominant (AA)

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