Which of the following occurs more than one and less than five in a chromosome?
chromatid
Chromosome
centromere
Telomere
Bacterium divides every 35 minutes. If a culture containing 105 cells per ml is grown for 175 minutes what will be concentration per mL after 175 minutes?
5 x 105 cells
35 x105 cells
32 x 105 cells
175 x 105 cells
In the somatic cell cycle _____________.
in G1 phase DNA content is double the amount ofDNA present in the original cell
DNA replication takes place in S phase
a short interphase is follwoed by a long mitotic phase
G2 phase follows mitotic phase
Segregation of Mendelian factor (Aa) occurs during ____________.
diplotene
anaphase
Zygotene / pachytene
anaphase - II
Lampbrush chromosomes occur during _____________.
prophase of mitosis
deplotene of meiosis
metaphase of meiosis
interphase
Crossing over that results in genetic recombination in higher organisms occur between ____________.
sister chromatids of bivalent
non - sister chromatidsof a bivalent
two daughter nuclei
two different bivalents
Meiosis - II performs ___________________.
separation of sex chromosome
synthesis of DNA centeromeres
separation of homologous chromosomes
separation of chromatids
Number of chromotids at metaphase is _____________.
two each in mitosis and meiosis
two in mitosis and one in meiosis
two in mitosis and four in meiosis
One in mitosis and two in meiosis
Which the following organ has single membrane?
Nucleus
Cellwall
Mitochondria
Sphherosome
Lysosome are reserviors of ____________.
RNA and protein
secretory glycoprotein
fats
hydrolytic enzymes