Mid-Term (Quiz) Flashcards
Chapter 4 (25 cards)
Which of the following terms best describes a chain of spherical shaped cells?
Streptococci
Facilitated diffusion requires the use of energy (ATP).
False
Which of the following transport processes require a transport protein?
Active transport
Which of the following external osmotic condition could potential lead to cell lysis?
Hypotonic
All archaea cells contain a plasma membrane.
True
Bacterial capsules facilitate motility.
False
Which of the following is not a general characteristic of prokaryotic cells?
Contain chloroplast
Prokaryotic cells are able to perform phagocytosis.
False
Which of the following organelles function in ATP synthesis?
Mitochondria
Eukaryotic cells contain 80S ribosomes.
True
Algae cells are not affected Penicillin.
True
Which of the following organisms are not composed of eukaryotic cells?
Bacteria
A mass of bacterial cells attached to a solid surface is referred to as a ______.
biofilm
Endospores conduct metabolic functions.
False
Located in the cytoplasm of both prokaryotic and eukaryotic cells, the ______ is the organelle that functions in protein synthesis.
ribosome
Which of the following structures is used to attach cells to a substrate?
Fimbriae
______ bacteria are cells that have a thick peptidoglycan layer and lack an outer membrane.
Gram-positive
while ______bacteria are cells that have a thin peptidoglycan layer and possess an outer membrane.
Gram-negative
Gram negative cells appear purple when the gram staining procedure is completed.
False
Oxygen (O2) movement down a concentration gradient
Simple diffusion
Calcium (Ca+) movement down a concentration
Facilitated diffusion
Water (H2O) movement down a concentration gradient
Osmosis
Glucose (C6H12O6) movement up a concentration gradient
Active transport
Protein movement out of cell
Vesicle transport