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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

What are the phases of the cell cycle?

G1,S,G2, M