-
Choose the appropriate domain (Bacteria, archaea, eukarya):
- usually circular DNA
- usually one chromosome
- usually lack introns
Bacteria
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Choose the appropriate domain (Bacteria, archaea, eukarya):
- Usually circular DNA
- Usually one chromosome
- A few introns
Archaea
-
Choose the appropriate domain (Bacteria, archaea, eukarya):
- Linear DNA
- Multiple chromosomes, in pairs
- Most genes have introns
Eukarya
-
Choose the appropriate domain (Bacteria, archaea, eukarya):
- DNA located in nucleoid region in cytoplasm
Bacteria & Archaea
-
Choose the appropriate domain (Bacteria, archaea, eukarya):
- DNA contained within membrane-enclosed nucleus
Eukarya
-
Choose the appropriate domain (Bacteria, archaea, eukarya):
- Cell membrane consists of straight-chain fatty acids ester-linked to glycerol
Bacteria, Eukarya
-
Choose the appropriate domain (Bacteria, archaea, eukarya):
- Cell membrane consists of branched-chain fatty acids ether-linked to glycerol
Archaea
-
Choose the appropriate domain (Bacteria, archaea, eukarya):
- Cell wall usually present
- composed of peptidoglycan
Bacteria
-
Choose the appropriate domain (Bacteria, archaea, eukarya):
- Cell wall: if present, composed of proteins or pseudopeptidoglycan
Archaea
-
Choose the appropriate domain (Bacteria, archaea, eukarya):
- Cell wall: if present, composed of cellulose or chitin
Eukarya
Note: cellulose = algae, chitin = fungi
-
Choose the appropriate domain (Bacteria, archaea, eukarya):
- Internal membranes may have energy-tranducing lamellae
Bacteria
-
Choose the appropriate domain (Bacteria, archaea, eukarya):
- Internal membranes uncommon
Archaea
-
Choose the appropriate domain (Bacteria, archaea, eukarya):
- Internal membranes: has extensive membranous organelles
eukarya
-
True/False: All phospholipids have negatively charged heads
False, they may have different charges
-
Phospholipid ______ diffusion and ______ are very easy, while ____-_____ rarely occurs.
lateral, rotation, flip-flop
-
Unsaturated, kinked fatty acids are _____ packed and are _____ at room temperature.
loosely, liquid
-
Saturated, straight fatty acids are ____ packed and are _____ at room temperature.
closely, solids
-
Hydrophobic molecules such as O2, CO2, N2 are _____ ______ through the cell membrane.
Freely permeable
-
Small, uncharged polar molecules such as H20 and glycerol are _____ _____ through the cell membrane.
slightly permeable
-
Large, uncharged polar molecules such as glucose and sucrose are _______ through the cell membrane.
Impermeable
-
Ions such as H+, Na+, HCO3-, Ca2+, Cl-, Mg2+, and K+ are _______ through the cell membrane.
Impermeable
-
Cell volume increases _____ than surface area.
faster
-
Name two occurrences of serial endosymbiosis which lead to double membraned organelles.
Mitochondrion, Chloroplast
-
Where is the location of the following features in both, bacteria and mitochondria?
Electron transport system (ETS)
- Bacteria: Cell membrane
- Mitochondria: Inner membrane
-
Where is the location of the following features in both, bacteria and mitochondria?
ATP synthase
- Bacteria: Cell membrane
- Mitochondria: Inner membrane
-
Where is the location of the following features in both, bacteria and mitochondria?
TCA cycle
- Bacteria: Cytoplasm
- Mitochondria: Matrix
-
Where is the location of the following features in both, bacteria and mitochondria?
Proton motive force
- Bacteria: Protons diffuse from lower-pH extracellular environment into the cytoplasm across the cell membrane
- Mitochondria: Protons diffuse from lower-pH intermembrane space into the matrix across the inner membrane
-
Label the lettered parts:
- A) Cell wall
- B) Cell membrane (plasma membrane)
- C) Mitochondrion
- D) Peroxisome
- E) Chloroplast
- F) Ribosomes
- G) Smooth ER
- H) Rough ER
- I) Golgi complex
- J) Nucleolus
- K) Cytoskeletal element
- M/N) Central vacuole
-
Label the lettered parts:
- A) Cell membrane (plasma membrane)
- B) cytoskeletal element
- C) Nuclear envelope
- D) Nucleolus
- E) Chromatin
- F) Centrioles
- G) Golgi complex
- H) Smooth ER
- I) Rough ER
- J) Mitochondrion
- K) Ribosomes
- L) Peroxisome
- M) Lysosome
-
Many proteins needed for synthesis are made in which part of the cell cycle?
G1, first gap
-
Interphase follows which stage of the cell cycle and happens immediately before what stage?
G1 first gap, S DNA synthesis
-
DNA is replicated in which stage of the cell cycle?
S, DNA synthesis
-
Materials needed for cell division are made during which stage of the cell cycle?
G1, second gap
-
What stage immediately follows G2 stage?
Division, mitosis, M
-
Do flagellum use ATP to rotate or bend?
bend
-
True/False: cilia are usually used to move the organism around.
False, it's used less for moving and more for moving other things along.
-
Eukaryotic flagella have similar function and appearance as the prokaryotic flagellum, but it employs a different mechanism of ______.
movement
-
The ______ is the region between the cytoplasmic membrane and the outer membrane in Gram-negative cells.
A) periplasm
-
Which of the following statements about prokaryotic chromosomes is true?
D) It has a single origin of replication and the DNA is replicated bidirectionally.
-
Which of the following molecules can be easily transported by passive diffusion through membrane without any aid of transporters?
D) CO2
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