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Bio 182 Exam 1 Actual Questions With Verified Solutions

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BIO 182 EXAM 1 ACTUAL QUESTIONS WITH VERIFIED SOLUTIONS

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BIO 182 EXAM 1 ACTUAL QUESTIONS WITH
VERIFIED SOLUTIONS

◉ Chromatin
Answer: uncoiled dna


◉ chromosomes
Answer: coiled dna


◉ The molecules that make up a chromosome are _________________
and __________________.
Answer: B. DNA; proteins


◉ Karyotype
Answer: the number, shapes, and sizes of the chromosomes in a cell.


◉ Ploidy
Answer: the number of homologous chromosomes in the cell.


◉ Diploid
Answer: one set of chromosomes from each parent - two copies of
the genome.

, - diploid species have matched pairs of chromosomes = homologous
chromosomes.


◉ Haploid
Answer: the number of chromosomes in a gamete (sperm or egg)
only one copy of genome.


◉ Homologous Chromosomes
Answer: a pair of chromosomes.


◉ Goal of mitosis
Answer: move identical genetic info into 2 new cells.


◉ A diploid cell entering mitosis
Answer: - 3 pairs of chromosomes
- 2n = 6


◉ G1 phase
Answer: - protein synthesis
- takes about 10 hrs.


◉ G2 Phase

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