exam 1

Question 1

cis and trans isomers

Answer 1

differ between spatial arrangements due to flexibility of double bonds

Question 2

hyrdrolysis

Answer 2

splits into two or more smaller molecules ang gains parts of water on broken ends

Question 3

cause of sickle cell anemia

Answer 3

point mutation of a single nucleotide in the dna sequence of the glob in protein of hemoglobin

Question 4

backbone of macromolecules of life

Answer 4

carbon atom

Question 5

diff between compound and molecule

Answer 5

compound 2 elements/molecule 2 atoms

Question 6

protein made of..

Answer 6

chains of amino acid

Question 7

molecule of simple sugars

Answer 7

monsaccharide

Question 8

macromolecule associated with dna and rna

Answer 8

nucleic acids

Question 9

fatty acids are a component of what macromolecule

Answer 9

lipids

Question 10

chemical bond stabilizes 3 dimensional shapes of nucleic genes and proteins

Answer 10

hydrogen bond

Question 11

what type of chem bond stabilizes crystals of table salt

Answer 11

ionic bond

Question 12

how are ions formed

Answer 12

gain or lose electron

Question 13

what makes amino acids diff

Answer 13

r group

Question 14

what is a peptide bond

Answer 14

chemical bond that forms between carboxyl group of one amino acid and the amine group of another amino acid. dehydration and synthesis

Question 15

primary sequence of protein

Answer 15

peptide bond joins amino acid in a polypeptide

Question 16

what structure with alpha helix and beta

Answer 16

secondary

Question 17

what forms the quaternary structure of a protein

Answer 17

interactions between two or more folded polypeptides

Question 18

why does heating up protein such as enzyme cause it to lose function

Answer 18

loses shape

Question 19

why cant you reverse cook an egg

Answer 19

denaturing protein is not reversible

Question 20

components of nucleotides

Answer 20

guanine, thymine, aedine, cytosine (GACT)

Question 21

where is most dna found in a cell?

Answer 21

nucleus

Question 22

what is genetics

Answer 22

segments of dna found on a chromosome

Question 23

why do charged molecules have difficulty crossing a phospol and bilayer

Answer 23

too polar

Question 24

whats inside a phospholipid bilayer allows proteions to move laterally

Answer 24

phospholipid molecule are not covalent bond to each other

Question 25

eukaryotic cells have a…

Answer 25

nucleus (u-nu)

Question 26

describe why eukaryotic cells being compartmentalized can make their metabolism complex

Answer 26

diff chem reactions can occur on isolation of each other

Question 27

prokaryotic cells have..

Answer 27

membrane bound organelles

Question 28

major component of plant cell way

Answer 28

cellucose

Question 29

whats used to store energy in plant cells

Answer 29

startch

Question 30

what is used to store energy in animal cells

Answer 30

glucose

Question 31

where are proteins synthesized

Answer 31

endoplasmic reticulum

Question 32

purpose of homeostasis

Answer 32

homeostasis involves control systems that keep you internal environment roughly constant in a state of dynamic equilibrium keeping internal environment constant.. if body temp is too high enzymes become denatured

Question 33

where in eukaryotic cell does the citric acid cycle occur?

Answer 33

mitochondria

Question 34

where in eukaryotic cells do photosyntheis occur

Answer 34

chloroplast

Question 35

what occurs in strona

Answer 35

sugar is produced

Question 36

what is a lysosome

Answer 36

membrane enclosed organelles containing enzymes and brekdown types of polymer get rid of virus and bacteria and digest food