Unit One: Diversity of Life Flashcards
Which macromolecule (s) in Bacteria cell walls have cross-linked chains of peptidoglycan
Carbohydrates and proteins
Select all kingdoms with at least some members that could photosynthesize
plants, green algae and some bacteria
Which macromolecule is composed of glucose?
Carbohydrates
Which is the p arm in a chromosome?
the p arm is the short arm, the q arm is the longest division of a chromosome
In two double-stranded chromosomes, how many telomeres are there ?
8 telomeres (2 telomere per chromatids, 4 chromatids)
How many centromeres are present in 4 ss chr ?
4 centromeres
How many chromatids are present in 2 ds chr ?
4 chromatids (2 chr x 2 chromatids)
How many chromatids are present in 4 ss chr ?
0 chromatid (because only in ds)
what is the ploidy level of a cell with 4 different ss chr ?
haploid (four different types but one of each type)
What is the ploidy level of a cell with 4 different ds chr
haploid (four different types but one of each type)
What is the ploidy level of a cell with 4 ds chr (2 same and 2 same)
Diploid (2n): two copies of each different chr
How many ustencils are in one set ?
two knifes, two forks, two spoons
One set : # of different chr, 3
How many homologous pairs represented ?
two knifes, two forks, two spoons
3 pairs
What would the haploid # be ?
two knifes, two forks, two spoons
haploid # (n) = number of different chr, n=3
How many different chr are represented ?
two knifes, two forks, two spoons
3 types