Biology

Question 1

The least inclusive system of hierarchic classification is

Answer 1

Class

Question 2

A statement developed after observing an event is called what.

Answer 2

Hypothesis

Question 3

How are molecules of water bonded?

Answer 3

Covalent bond

Question 4

What are the benefits of intermolecular hydrogen bonding of water?

Answer 4

Relatively high specific heat value, strong cohesive and adhesive properties, polarity allowing it to act as a versatile solvent

Question 5

What are considered to be the most important molecules of biology?

Answer 5

Carbohydrates, lipids, protein, nucleic acid

Question 6

Fatty acids, phospholipids, steroids are all classified as?

Answer 6

Lipids

Question 7

Two categories of fatty acids

Answer 7

sat and unsat

Question 8

how do phospholipids function in a cell?

Answer 8

They are integral components of the plasma membrane

Question 9

Which molecules are considered the most significant contributor to cellular function?

Answer 9

proteins

Question 10

Proteins are polymers of what?

Answer 10

Amino Acids

Question 11

Which type of proteins catalyze reactions and processes?

Answer 11

Enzymes

Question 12

Biologic molecules of inheritance are known as?

Answer 12

Nucleic acids

Question 13

The sum of all chemical reactions that occur in an organism?

Answer 13

Metabolism

Question 14

Reactions take place in a cell in a series called

Answer 14

Metabolic pathways

Question 15

What are the fundamental units of biology?

Answer 15

Cells

Question 16

Which type of cell contains no defined nucleus

Answer 16

Prokaryotic cells

Question 17

what is the primary purpose of the flagella on the surface of cells

Answer 17

movement of the cells

Question 18

which cell organelles function to transport materials from the endoplasmic reticulum throughout the cell

Answer 18

Golgi apparatus

Question 19

which organelles produce cell energy?

Answer 19

Mitochondrion and chloroplast

Question 20

Component of the cell that contributes to the protection, communication and passage of substances into and out of the cell

Answer 20

cell membrane

Question 21

the bilayer of phospholipids of the cell membrane make it

Answer 21

selectively permeable

Question 22

Which RNA base is inserted complementary to the DNA base thymine?

Answer 22

Adenine

Question 23

What process uses an RNA strand to produce a complementary strand of DNA?

Answer 23

Transcription

Question 24

Hereditary disorders can be studied using a persons

Answer 24

Pedigree

Question 25

the appearance of an organism

Answer 25

Phenotype

Question 26

How would you determine the probability of a genotype?

Answer 26

Punnett square

Question 27

two catabolic pathways that lead to cellular energy production

Answer 27

fermentation and cellular respiration

Question 28

the first step in the conversion of glucose to pyruvate?

Answer 28

Glycolisis

Question 29

which step in cellular respiration yields the greatest amount of ATP

Answer 29

Krebs cycle

Question 30

During cell respiration the conversion of glucose results in how many ATP

Answer 30

32-36

Question 31

what is the function of water during photosynthesis

Answer 31

supply electrons in light reactions

Question 32

how does bacterium reproduce?

Answer 32

binary fission

Question 33

during which phase of cell reproduction does the cell divide forming two seperate identical cells

Answer 33

cytokenisis

Question 34

at which phase of meiosis does crossing over take place?

Answer 34

phase I