blah Flashcards Preview

Biology 1406 > blah > Flashcards

Flashcards in blah Deck (8):
1

when we say that an organism is diploid, we mean that

its cells have 2 sets of chromosomes

2

which of the following is true of kinetochores?

they are sites at which microtubules attach to chromosomes

3

for a species with a haploid number of 23 chromosomes, how many different combinations of maternal and paternal chromosomes through independent assortment are possible for gametes?

8 millionish

4

the decline of MPF activity at the end of mitosis is due to

the degradation of cyclin

5

during ______ homologous chromosomes separate

anaphase I

6

which life cycle stage is found in plants but not animals?

multicellular haploid

7

DNA is replicated at this time of the cell cycle:

S phase

8

Which of the following would be most likely to lead to cancer?

hyperactivity of proto-oncogene and failure of a tumor-suppressor gene