Flashcards in Semester 1 Exam Deck (28)
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1
The branch of science that deals with the structure of body parts, their forms, and how they are organized
Anatomy
2
concerns the functions of body parts, what they do and how they do it
Physiology
3
What are the levels of organization in order?
Atom, molecule, macromolecule, cell, organelles, tissue, organ, organ system, organism
4
Particles formed by molecules combining in a complex way
Macromolecules
5
Composed of aggregates of macromolecules; carry out certain activities
Organelles
6
All of the chemical reactions in cells that break down or build up substances
Metabolism
7
Condition of a stable enviornment
Homeostasis
8
the fluid surrounding body cells
Internal environment
9
maintains homeostasis though a number of self regulating control system
Homeostatic mechanisms
10
provide information about specific conditions in the internal environment
Receptors
11
tells what a particular value should be
Set point
12
cause responses that alter conditions in the internal environment
Effectors
13
process by which changes cause additional similar changes, producing unstable condition
Positive feedback
14
mechanism activated by an imbalance that corrects the imbalance
Negative feedback
15
Allows some molecules in and out of cell
Selectively permeable
16
Combination of a phospholipid bilayer and embedded proteins and cholesterol; not in stable position
Fluid mosiac
17
What are the phases of mitosis?
Interphase, prophase, metaphase, anaphase, telophase, cytokinesis
18
What are the phases of interphase?
G1, S, G2
19
Cell metabolizes and gets ready to divide
Interphase
20
The division of the nucleus
Karyokinesis
21
The division of cytoplasm
Cytokinesis
22
Process of cell specialization
Cell differentiation
23
Cells that divide repeatedly without specializing
Stem cells
24
Cell death
Apoptosis
25
What is the purpose of mitosis?
To produce body cells
26
Uncontrollable dividing cells
Cancer
27
The division of body cells
Mitosis
28
