m Flashcards
Bacteria are:
prokaryotic
Having true nucleus is a characteristic of:
eukaryotic
The ability of the membrane to regulate passage of materials in & out of the cell is called
selective permeability
Dividing by fission is a characteristic of:
neither eukaryotic nor prokaryotic prokaryotic
eukaryotic
both eukaryotic & prokaryotic
prokaryotic
When a concentration gradient is present across a membrane, WATER will diffuse from the…
hypotonic to hypertonic environment
Which of the following is mitosis not used for?
Development (e.g., baby in mother’s womb)
Repair (of a wound) in multicellular organisms
All of the given choices use mitosis
Asexual reproduction in unicellular organisms
Production of gametes
Production of gametes
Viruses are:
neither eukaryotic nor prokaryotic
Having 70S ribosomes is a characteristic of:
prokaryotic
The longest phase of the cell cycle.
Interphase
Which of the following would involve a vesicle moving particles into and out of a cell?
endocytosis & exocytosis
Having cell/plasma membrane is a characteristic of:
both eukaryotic & prokaryotic
Having nucleiod is a characteristic of:
prokaryotic
Which is NOT always true for organelles?
found in eukaryotes
are membrane-bound
they are all of the cellular components
chemical substances in the cytoplasm
are functional components of the cell
chemical substances in the cytoplasm
for tissue organization
cell coat
regulates transport of materials
plasma membrane
garbage system of the cell
Lysosome
cellular trucks
vaults
framework of the cell
cytoskeleton
power generator of the cell
Mitochondrion
where ribosomes are produced
Nucleolus
packaging & distribution center of the cell
Golgi apparatus
control center of the cell
Nucleus
protein maker of the cell
Ribosomes
suicidal bag
Lysosome
site for lipid synthesis
Smooth ER
site for protein synthesis
Rough ER
carries the genetic material
Chromosome
suspends organelles & site for chemical reactions
cytoplasm
formed as a result of uptake or release of large substances by cell
Vesicle
release of actylcholine by nerve cells
Exocytosis
Engulfment of microorganisms by amoeba
Phagocytosis
Fluid uptake by kidney cells to maintain fluid balance
Pinocytosis
Uptake of large molecules by small intestine
Receptor-mediated endocytosis
Chromosomes start to thicken, condense and coil
Prophase
Nuclear membrane re- forms
Telophase
Chromosomes and centrioles are duplicating
Interphase
Chromosomes align at the center of the equatorial plate
Metaphase
Nuclear membrane disintegrates
Prophase
Chromatids separate & move at opposite poles
Anaphase
Chromosomes de- condense
Telophase
Cell grows & prepare for DNA replication
Interphase
Cytokinesis in plants involves the formation of cleavage furrow while a primary cell wall is formed in animals.
False
Meiosis is important in fertilization to maintain a constant number of chromosomes from one generation to another.
True
The most critical stage of the cell cycle happens during the Interphase.
True
Crossing over of genes takes place during Prophase of Meiosis I.
True
The outer membrane of the mitochondrion is the actual site for energy production in cell.
False
The centriole is found in both plant & animal cells.
False
Animal cells are normal in isotonic medium while plant cells in hypertonic medium.
False
Mitosis is to diploid cells as meiosis is to haploid cells.
True
Lysosome is more prominent in animal cell than in plant cell.
True
Vacuole is more prominent in plant cell than in animal cell.
True
Glucose transport
Facilitated diffusion
Oxygen & carbon dioxide transport
Simple diffusion
Sodium & potassium ions pump
Active transport
Transport of water molecules
Osmosis
engulfment of virus by white blood cells
Bulk transport
Formation of cleavage furrow starts
Anaphase
Centrosomes first seen at opposite poles of the cell
Metaphase
Animals including humans can utilize cellulose as food since they have the enzyme to digest the molecule.
False
Which of the following sources of iron would be of the highest quality?
a large scrap metal junkyard
a carbon atom combines with oxygen atoms to form CO2, this would be described as a bith
It is both a physical and chemical change.
These elements constitute 97% of animals body weight
C,H,O,N,P,S
The cell membrane is selectively permeable, which means…
Certain things can enter while others cannot
