Levels of Organization, Homeostasis, Gene Expression, and others

Question 1

atoms combine to form molecules

Answer 1

chemical level

Question 2

molecules form organelles which make up cells

Answer 2

cell level

Question 3

similar cells make up tissues

Answer 3

tissue level

Question 4

different tissues combine to form organs

Answer 4

organ level

Question 5

organs make up an organ system

Answer 5

organ system level

Question 6

organ systems make up an organism

Answer 6

organism level

Question 7

existence and maintenance of a relatively constant environment within the body

Answer 7

homeostasis

Question 8

examples of these are sweating and shivering

Answer 8

homeostatic mechanisms

Question 9

any deviation from the set point is made smaller or is resisted

Answer 9

negative feedback mechanism

Question 10

what type of feedback mechanism applies when body temperature exceeds 37 degrees Celsius?

Answer 10

negative feedback mechanism

Question 11

occurs when a response to the original stimulus results in the deviation from the set point becoming even greater

Answer 11

positive feedback mechanism

Question 12

what type of feedback mechanism applies during childbirth?

Answer 12

positive feedback mechanism

Question 13

basic unit of all living things

Answer 13

cell

Question 14

a characteristic function of cell wherein the energy released from metabolic reactions fuels cellular activities

Answer 14

cell metabolism and energy use

Question 15

the different cells of the body synthesize various types of molecules

Answer 15

synthesis of molecules

Question 16

cells produce and respond to chemical and electrical signals that allow them to communicate with each other

Answer 16

communication

Question 17

most cells contain a complete copy of all the genetic information of the individual

Answer 17

reproduction and inheritance

Question 18

what are the predominant lipids of the plasma membrane?

Answer 18

phospholipids and cholesterol

Question 19

this concept of the plasma membrane suggest that it is neither rigid nor static but is highly flexible

Answer 19

fluid mosaic model

Question 20

it limits the movement of phospholipids, providing stability to the plasma membrane

Answer 20

cholesterol

Question 21

making a copy of a small part of the stored information in DNA

Answer 21

transcription

Question 22

converting the copied information into a protein

Answer 22

translation

Question 23

chromosomes condense and become visible, spindle fibers emerge from the centrosomes, nuclear envelope breaks down, centrosomes move toward opposite poles

Answer 23

prophase

Question 24

chromosomes continue to condense, kinetochores appear at the centromeres, mitotic spindle microtubules attach to kinetochores

Answer 24

prometaphase

Question 25

chromosomes are lined up at the _____ plate, each sister chromatid is attached to a spindle fiber originating from opposite poles

Answer 25

metaphase

Question 26

centromeres split in two, chromosomes are pulled toward opposite poles, certain spindle fibers begin to elongate the cell

Answer 26

anaphase

Question 27

chromosomes arrive at opposite poles and begin to decondense, nuclear envelope material surrounds each set of chromosomes, mitotic spindle breaks down, spindle fibers continue to push poles apart

Answer 27

telophase

Question 28

a cleavage furrow separates the daughter cells (animal cells) or the cell plate separates the daughter cells (plant cells)

Answer 28

cytokinesis