CELL FOR AIATS Flashcards
Which of the following cells lacks a nucleus?
a) Erythrocytes of many mammals
b) Sieve tube cells of vascular plants
c) Neurons
d) Both a and b
d) Both a and b
What name was given to the material of the nucleus that is stained by basic dyes?
a) Chromatin
b) Chromosome
c) Nucleolus
d) Ribosome
a) Chromatin
The interphase nucleus contains:
a) Chromosomes, nuclear matrix, and vacuoles
b) Chromatin, nuclear matrix, and nucleoli
c) Chromatin, endoplasmic reticulum, and ribosomes
d) Chromosomes, nucleoli, and ribosomes
b) Chromatin, nuclear matrix, and nucleoli
What structure is located at the terminal end of a telocentric chromosome?
a) Centromere
b) Kinetochore
c) Telomere
d) Chromatid
a) Centromere
Microbodies are:
a) Non-membrane-bound vesicles
b) Membrane-bound vesicles containing enzymes
c) Organelles responsible for photosynthesis
d) Structures found only in animal cells
b) Membrane-bound vesicles containing enzymes
What connects the central tubules in the axoneme of cilia and flagella?
a) Radial spokes
b) Central sheath
c) Interdoublet bridges
d) Linkers
c) Interdoublet bridges
Which of the following is structurally different between prokaryotic and eukaryotic cells?
a) Nucleus
b) Mitochondria
c) Ribosomes
d) Flagella
d) Flagella
What type of nutrient is stored in amyloplasts?
a) Proteins
b) Oils and fats
c) Carbohydrates (starch)
d) Vitamins
c) Carbohydrates (starch)
The ribosomes found in chloroplasts are:
a) Larger than cytoplasmic ribosomes
b) Smaller than cytoplasmic ribosomes
c) Identical to cytoplasmic ribosomes
d) Absent
b) Smaller than cytoplasmic ribosomes
Which of the following organelles contains small, double-stranded circular DNA molecules?
a) Mitochondria
b) Endoplasmic reticulum
c) Chloroplasts
d) Golgi apparatus
c) Chloroplasts
Which of the following is NOT a function associated with mitochondria?
a) ATP production
b) Protein synthesis
c) DNA replication
d) Lipid synthesis
d) Lipid synthesis
The outer membrane of the mitochondrion is primarily responsible for:
a) ATP production
b) Limiting the boundary of the organelle
c) Protein synthesis
d) DNA replication
b) Limiting the boundary of the organelle
The optimal pH for the activity of lysosomal enzymes is:
a) Neutral
b) Basic
c) Acidic
d) Alkaline
c) Acidic
The cis face of the Golgi apparatus is also known as the:
a) Maturing face
b) Forming face
c) Exocytic face
d) Secretory face
b) Forming face
The secondary cell wall is formed:
a) On the outer side of the primary wall
b) On the inner side of the primary wall
c) After the cell has fully matured
d) Before the formation of the primary wal
b) On the inner side of the primary wall
