How do Ek cells increase their numbers? - ANS Division of nucleus (mitosis) and cytoplasm (cytokinesis)
PloChromatin - ANS DNA that is not tightly coiled up
DNA in chromatin when cells are not diving
Chromatin= DNA + proteins
Chromosome - ANS DNA that is tightly pack...
Study Guide for Lab 2 The Cell Cycle
and Mitosis Exam Questions And
Answers
How do Ek cells increase their numbers? - ANS Division of nucleus (mitosis) and
cytoplasm (cytokinesis)
PloChromatin - ANS DNA that is not tightly coiled up
DNA in chromatin when cells are not diving
Chromatin= DNA + proteins
Chromosome - ANS DNA that is tightly packed and compact
In this form when cells are preparing to divide
DNA + proteins
Easier to divide cell when all genetic material is compartmentaliized
Sister Chromatid - ANS Identical copies of a chromosome joined by the centromere
One centrome holds sister chromatids together (one chromosome)
How many pairs of chromosomes does a human have? - ANS 23
Howmany chromosomes does a human have? - ANS 46
How many chromosomes does a cell house? - ANS Each cell contains all 46
chromosomes (23 pairs)
Ploidy: n - ANS N= number of sets of chromosomes an organism has
Haploid(n) - ANS Cell with on set of each chromosome type (no homologous
chromosomes)
Diploid(2n) - ANS Cell with two sets of each chromosome type
-one set from mom
-one set from dad
Which cells are haploid (n)? - ANS Sex cells (sperm and eggs)
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