Bio Quiz 1

Question 1

Domain Bacteria

Answer 1

Prokaryotes (lack membrane-bonded nucleus)

Question 2

Domain Archaea

Answer 2

Prokaryotes (lack membrane-bonded nucleus)

Question 3

Domain Eukarya

Answer 3

Eukaryotes: Protists, plants, fungi, animals

Question 4

Components of scientific name

Answer 4

Genus, species

Question 5

Homeostasis

Answer 5

Maintenance of normal internal conditions in a cell or organ by means of self-regulating mechanisms – biological balance

Question 6

Metabolism

Answer 6

Sum of the chemical reactions that occur in a cell

Question 7

Steps of scientific process

Answer 7

Observation, hypothesis, experiments, data, conclusion

Question 8

Order of taxa

Answer 8

Domain, kingdom, phylum, class, order, family, genus, species

Question 9

Nucleus contains

Answer 9

Protons and neutrons

Question 10

Atomic number

Answer 10

tells how many protons are in the nucleus of an atom

Question 11

Isotopes

Answer 11

Differ in # of neutrons

Question 12

Atom that has lost or gained electrons

Answer 12

Ions

Question 13

Loss of electrons

Answer 13

Positive charge

Question 14

Gain of electrons

Answer 14

Negative charge

Question 15

Electron move from inner to outer

Answer 15

Requires energy

Question 16

Electron move from outer to inner

Answer 16

Gives energy

Question 17

Chemical properties are a direct result of

Answer 17

of valence electrons in outermost shell

Question 18

Covalent bonds

Answer 18

shared electrons

Question 19

Polar

Answer 19

Unequal sharing

Question 20

Non-polar

Answer 20

Equal sharing

Question 21

Ionic bonds

Answer 21

Result from the close attraction of atoms with opposite charges due to the loss/gain of electron

Question 22

Ions

Answer 22

Charged particles that carry a negative or positive charge

Question 23

Electronegativity

Answer 23

Ability of an atom to attract electrons, dependent on # of protons