BSC 114 Exam 3 Questions with Correct Answers 100% Pass
somatic cells have __ chromosomes - Answers 46
chromatin is found in the - Answers nucleus
reproductive cells have __ chromosomes - Answers 23
reproductive cells - Answers germ cells
cells total hereditary endowment of DNA - Answers genome
DNA is complexed with proteins called - Answers histones
__ forms chromosomes - Answers chromatin
length of cell cycle varies from - Answers 10-30 hours
G1 - Answers growth
S - Answers replication
G2 - Answers preparation for division
function of mitosis - Answers separate genetic info into 2 quantities
organize microtubules of spindle apparatus - Answers centrosomes
region where chromatids are held together - Answers centromere
protein structure on chromatids where spindle microtubules attach - Answers kinetochore
kinetochore is located at the __ region - Answers centromere
interphase has __ nucleus - Answers 1
interphase has __ chromosomes, each consisting of __ chromatid(s) - Answers 46, 1
prophase has __ nucleus - Answers 1
prophase has __ chromosomes, each consisting of __ chromatid(s) - Answers 46, 2
telophase has __ nucleus - Answers 2
t/f: cell cycle includes both interphase and mitosis - Answers true
t/f: interphase is much longer and complicated than mitosis - Answers true
__ phase of cell cycle is the key phase in controlling cell division - Answers G1
, determines whether cell divides - Answers restriction point of G1
stimulates other cells to divide - Answers growth factor
says that crowded cells usually stop dividing - Answers density dependent inhibition
a single individual is the sole parent and passes on all of its genes directly to its offspring - Answers
asexual reproduction
group of genetically identical individuals - Answers clone
t/f: no multicellular organisms can reproduce asexually - Answers false, some can
the only possible differences between the parent and offspring will be via __ - Answers mutations
much greater genetic variation results from __ reproduction compared to __ reproduction - Answers
sexual, asexual
karyotype organizes chromosomes according to - Answers number, size, type
chromosomes in karyotype are arrested in the __ stage of mitosis - Answers metaphase
chromosomes that look quite similar but were inherited from different parents - Answers homologous
chromosomes
in __ organisms, chromosomes are matched in homologous pairs - Answers diploid
specific location of a gene - Answers locus
homologs differ in the version of some genes at their corresponding __ - Answers loci
X and Y - Answers sex chromosomes
non sex chromosomes - Answers autosomes
cell with a single set of chromosomes - Answers haploid
cell containing 2 sets of chromosomes, one from each parent - Answers diploid
process that halves the diploid set to a single haploid set of chromosomes - Answers meiosis
restores the diploid set from meiosis - Answers fertilization
meiosis II results in __ daughter cells instead of 2 and each has only __ the number of chromosomes -
Answers 4, half
arrangement of chromosomes on the __ plate determines which chromosomes will be packaged
together - Answers metaphase I
somatic cells have __ chromosomes - Answers 46
chromatin is found in the - Answers nucleus
reproductive cells have __ chromosomes - Answers 23
reproductive cells - Answers germ cells
cells total hereditary endowment of DNA - Answers genome
DNA is complexed with proteins called - Answers histones
__ forms chromosomes - Answers chromatin
length of cell cycle varies from - Answers 10-30 hours
G1 - Answers growth
S - Answers replication
G2 - Answers preparation for division
function of mitosis - Answers separate genetic info into 2 quantities
organize microtubules of spindle apparatus - Answers centrosomes
region where chromatids are held together - Answers centromere
protein structure on chromatids where spindle microtubules attach - Answers kinetochore
kinetochore is located at the __ region - Answers centromere
interphase has __ nucleus - Answers 1
interphase has __ chromosomes, each consisting of __ chromatid(s) - Answers 46, 1
prophase has __ nucleus - Answers 1
prophase has __ chromosomes, each consisting of __ chromatid(s) - Answers 46, 2
telophase has __ nucleus - Answers 2
t/f: cell cycle includes both interphase and mitosis - Answers true
t/f: interphase is much longer and complicated than mitosis - Answers true
__ phase of cell cycle is the key phase in controlling cell division - Answers G1
, determines whether cell divides - Answers restriction point of G1
stimulates other cells to divide - Answers growth factor
says that crowded cells usually stop dividing - Answers density dependent inhibition
a single individual is the sole parent and passes on all of its genes directly to its offspring - Answers
asexual reproduction
group of genetically identical individuals - Answers clone
t/f: no multicellular organisms can reproduce asexually - Answers false, some can
the only possible differences between the parent and offspring will be via __ - Answers mutations
much greater genetic variation results from __ reproduction compared to __ reproduction - Answers
sexual, asexual
karyotype organizes chromosomes according to - Answers number, size, type
chromosomes in karyotype are arrested in the __ stage of mitosis - Answers metaphase
chromosomes that look quite similar but were inherited from different parents - Answers homologous
chromosomes
in __ organisms, chromosomes are matched in homologous pairs - Answers diploid
specific location of a gene - Answers locus
homologs differ in the version of some genes at their corresponding __ - Answers loci
X and Y - Answers sex chromosomes
non sex chromosomes - Answers autosomes
cell with a single set of chromosomes - Answers haploid
cell containing 2 sets of chromosomes, one from each parent - Answers diploid
process that halves the diploid set to a single haploid set of chromosomes - Answers meiosis
restores the diploid set from meiosis - Answers fertilization
meiosis II results in __ daughter cells instead of 2 and each has only __ the number of chromosomes -
Answers 4, half
arrangement of chromosomes on the __ plate determines which chromosomes will be packaged
together - Answers metaphase I
