Living organisms are categorized into two major groups based on the presence or absence of a nucleus. What group is defined by the presence of a nucleus?
A) eukaryotic organism
B) virus
C) bacterium
D) prokaryotic organism
E) mitochondrial organism
A
What is the name of the membranous structure that compartmentalizes the cytoplasm of eukaryotic organisms?
A) ribosome
B) mitochondria
C) cytosol
D) endoplasmic reticulum
E) nucleoid
D
The diploid chromosome number of an organism is usually represented as 2n. Humans have a diploid chromosome number of 46. What would be the expected haploid chromosome number in a human?
A) 92
B) 16
C) 12
D) 24
E) 23
E
Which chromosome has a telomere but the p arm is much shorter than the q arm?
A) metacentric
B) submetacentric
C) acrocentric
D) telocentric
E) sex chromosome
C
The nucleolus organizer region (NOR) is responsible for production of what type of cell structure?
A) nucleolus
B) ribosome
C) chromatids
D) mitochondria
E) endoplasmic reticulum
B