What is it called when a sperm and egg combine?
fertilization.
An organelle that makes-energy for the cell?
Mitochondria.
what large molecules cannot ____ through?
Pass.
nucleoid/chromosomes= what?
DNA
what are two examples of lipids?
Meat and milk products.
mitosis is a dorm of _______ reproduction?
asexual.
Which organelle maintains homeostasis for fresh water protozoans?
contractile vacuoles.
molecules moves from an area of what concentration?
High to low.
what's an example for prokaryotes/ the first cells?
Bacteria.
What temperature of enzymes do best for humans?
37
what are the 6 cycles of mitosis?
interphase, prophase, metaphase, anaphase, telophase, and cytokiness.
What 3 things do both animal lplant cells have?
endoplasmic reticulum, mitochondria, Gdgi body.
molecules move across the membrane ______ that concentration gradient.
Against.
What is the 3 basic part of all euphoretic cells?
Nucleus, cytoplasm, cell membrane.
What are the building blocks for proteins?
Amino acids.
in both mitosis and meiosis DNA only duplucates ___ time?
one.
Define vesicles and vacuoles.
Membrane-bound sacs that function in storage and transport.
What is another thing to call phagocytosis?
Define prokaryote.
A single-celled microorganism known to be the earliest on earth.
Enzymes work by ______ activation energy?
lowering.
meiosis results in ___ daughter cells with ___ chromosomes .vs. ___ of the parent.
4,23,46
what are 2 things a plant cell contains?
cell wall, nucleoids.
Define endocytosis.
A process by which cells absorb external material by engulfing it with the cell membrane.
Define Eukaryote.
organisms whose cells contain a nucleus and other membrane-bound organelles.
What is a nucleic acids function?
Carries genetic information to make proteins.