exam 1

Question 1

Study of function,

study of all levels of organization of human body

Answer 1

physiology

Question 2

The maintenance of constant internal environment
(terrestrial fluid baths every cell)
Sodium level , glucose level, pH, and temperature

Answer 2

Homeostasis

Question 3

are found in control center(Integrator) tells what a particular value should be

Answer 3

Setpoint

Question 4

evaluates info about specific conditions/setpoint

Answer 4

Control center

Question 5

respond to restore body and give signals(shivering) vasoconstriction

Answer 5

effector when temperature changes

Question 6

provide info about specific conditions

Answer 6

Receptors

Question 7

what is another name for receptor in a homeostatic system?

Answer 7

Sensor(temp, monitoring nerve cell)

Question 8

what is another name for a control center in a homeostatic system?

Answer 8

integator

Question 9

what is lactation?

Answer 9

Breast-feeding and producing milk

Question 10

What is a negative feedback mechanism

Answer 10

having stability/regulation
low———

Question 11

What is a positive feedback mechanism?

Answer 11

no set point, no stability
high
ex. Menstrual cycle and lactation

Question 12

What are the properties of atoms?

Answer 12

A nucleus carries protons and neutrons(no charge) electrons formed bubble around

Question 13

The name of the covalent bond that exists between two amino acids

Answer 13

Hydrogen atoms

Question 14

The name of the covalent bond that exist between two nucleotide

Answer 14

DNA

Question 15

what is an ampathetic molecule

Answer 15

Hydrophilic head(water, loving) and hydrophobic tail(water fearing)

Question 16

Which bond is the strongest?

Answer 16

ionic bonds (weak in water)

Question 17

Which bond is the weakest?

Answer 17

hydrogen bonds attract partial positive and negative

Question 18

Which biological molecule have hydrogen bonds

Answer 18

DNA proteins and monomer

Question 19

particle that defines an element

Answer 19

Atom

Question 20

gain/lost electrons

Answer 20

ions

Question 21

Nucleic acid(RNA and DNA) attracted to phosphate group and base

Answer 21

Nucleotides

Question 22

polar or non polar/formed by sharing of electrons

Answer 22

Covalent bonds

Question 23

What are the properties of carbohydrates?

Answer 23

Energy storage, structural components(monosaccharide polysaccharide disaccharide)

Question 24

Measure of hydrogen ion concentration

Indicates acidic or basic

Answer 24

PH

Question 25

How much water is there in our body and where is it distributed?

Answer 25

42 L of water

Question 26

what is the plasma membrane made of?

Answer 26

Integral proteins, peripheral proteins, fatty acid, polar regions, extracellular fluid, and phospholipid bilayer

Question 28

Membrane bound flattened sacs called cisternae (post office make modifications to proteins)

Answer 28

golgi apparatus

Question 29

protein in red blood cells that carries oxygen

Answer 29

hemoglobin

Question 30

which organelles function in protein synthesis

Answer 30

ribosomes

Question 31

which organelle convert energy in the cell

Answer 31

mitochondria

Question 32

what is the cis side of the golgi apparatus

Answer 32

proteins enter at the cis

Question 33

what is the trans side of the golgi apparatus

Answer 33

proteins exit from the golgi apparatus from the trans side

Question 34

cells continuously recycle cytoplasm to generate macromolecules building blocks and energy under physiological and stress conditions

Answer 34

autophagy

Question 35

speed up chemical reactions made of proteins lower activation energy

Answer 35

enzymes