A feature unique to prokaryotes would be:
1. A cell wall not made up of cellulose
2. An extrachromosomal plasmid DNA
3. A cell membrane of peptidoglycan
4. Presence of inclusions
The tail of the phospholipid molecule:
1. | is hydrophilic and composed of phosphate |
2. | is hydrophilic and composed of saturated hydrocarbons |
3. | is hydrophobic and composed of saturated hydrocarbons |
4. | is hydrophobic and composed of unsaturated hydrocarbons |
In animal cells, lipid-like steroidal hormones are synthesized in the:
1. Nucleus
2. Rough endoplasmic reticulum
3. Smooth endoplasmic reticulum
4. Golgi apparatus
Unless specifically stained by a vital stain like Janus Green, which of the following will not be visible under a microscope?
1. Rough endoplasmic reticulum
2. Smooth endoplasmic reticulum
3. Golgi apparatus
4. Mitochondria
Fat soluble pigments like xanthophylls are present in:
1. Chromoplasts
2. Aleuroplasts
3. Elaioplasts
4. Amyloplasts
Proteins that are to be used outside the cell are synthesized:
1. in the mitochondria
2. on the rough endoplasmic reticulum
3. on the smooth endoplasmic reticulum
4. on free ribosomes
The two types of cellular organelles that transform energy are:
(1) Chromoplasts and Leucoplasts
(2) Mitochondria and Chloroplasts
(3) Mitochondria and Endoplasmic reticulum
(4) Chloroplasts and Golgi apparatus
The arrangement of outer and central microtubules in a cilium is called the:
1. 9 + 1 pattern
2. 9 + 0 pattern
3. Flagellin pattern
4. 9 + 2 pattern
Which of the following cell organelles is responsible for extracting energy from carbohydrates to form ATP?
(1) Lysosome
(2) Ribosome
(3) Chloroplast
(4) Mitochondrion
Select the mismatch.
1. Gas vacuoles — Green bacteria Cells
2. Large central vacuoles — Animal cells
3. Protists — Eukaryotes
4. Methanogens — Prokaryotes