Vocab 1
What is the definition of unicellular?
Unicellular is an organism with one cell.
What is an Organelle?
specializes structures withing the cell that work together to make it function.
What organelles are specific to an animal cell
Lysosomes, Centrioles
What is the difference between dynamic and static equilibrium?
Dynamic is an action in motion and static is an action no longer being in motion
What does Pray More At The Church m ean
Prophase, Metaphase, Anaphase, Telephase, Cytokenisis,
What is Homeostasis?
Homeostasis is the need of an organism to stay stable by regulating internal conditions.
define a chromosome
a strand of dna, contains genetic material.
What organelles are specific to a plant cell.
Central Vacuole, Cell Wall, and Chloroplasts
What is the relationship between a response to stimuli and homeostasis?
Stimuli alert an organism that homeostasis is not being maintained so that an organism can fix it
What are stem cells
They are undifferentiated cells that become specialized when put with others
What is Phagocytosis?
Cell "Eating" happens when cells engulf solids into vesicles and digests them.
Pinocytosis
Cell drinks. when the cell engulfs liquids
Why is the ribosome important.
Because it makes the protein which feeds the cell.
What is the difference between positive vs negative feedback loops?
positives increase speed of which something occurs,
negatives slows it down
What is the order things in the body from smallest to largest
cell, tissue, organ, organ system, organism
Solute
What gets dissolved.
centromere
The center of a chromotid, How you count chromosomes
Difference between Prokaryotic and Eukaryotic
Pro has no nucleus, membrane bound organelles, and are unicellular.
What is an example of a positive feedback loop?
What is an example of negative?
Positive is contractions during child birth,
negative is thermoregulations
What happens in interphase
Interphase is the growth phase of the cell cycle
G1: grows and makes proteins
S: DNA replication
G2: more cell growth + protein synthesis
Metasasize
spreading of disease from one organ to another.
Cancer
A mass of cells that grow where they aren't supposed to.
Jobs of Lysosomes, vacuoles, centrioles
lysosomes are trash cans, storage for nutrients, help cell during mitosis
What does a molecular pump do?
When a cell uses molecules to pump molecules into or out of the cell, against the concentration gradient
How do you count chromosomes
From the centromere