Elements is matter composed of only ____ kind of atom.
one
100
there are more compounds composed of _______ than any other element
carbon
100
comped of what?
carbon, hydrogen, and oxygen
100
proteins are large --------- molecules composed of what
organic
composed of- carbon, hydrogen, oxygen, nitrogen, and sulfur
100
enzyme is a type of protein that----- up a chemical reaction in a ------ thing
speeds
living
200
An element is generally thought of as being the smallest unit of ______
Matter
200
Since carbon is always found in organic living compounds, the chemistry of carbon is referred to as _______ _________
organic chemistry
200
it includes what 3 things
sugars
starches
cellulose
200
proteins grow new what
cells (skin, hair, and blood)
200
(still in enzyme) physical digestion breaks down food into smaller pieces and increases --- ---
surface area
300
Examples of elements are:
__= hydrogen
__= carbon
__= oxygen
h
c
o
300
Carbon is the key element in _____, synthetic fibers, foods, medicines, and all _______ products
plastics
petroleum
300
carbs are used by living things for what
energy
300
proteins repair damaged -----
cells
300
chemical digestions uses ------- to break down large food molecules
enzymes
400
Compounds are composed of ___ or ____ elements which are chemically bonded
two or more
400
Petroleum products are composed of ________ and _______ and are called __________
hydrogen
carbon
hydrocarbons
400
A) what is the main carb used by animals to produce energy
B) table sugar is called --- and is produced by sugar cane
a) glucose- C 6 H 12 0 6
b) sucrose- C 12 H 22 0 11
400
proteins manufacture important ------ ------ like --------- ----------- --------
body chemicals
like- enzymes, hormones, antibodies
400
examples of enzymes are
------ breaks down starch into --------
amylase
glucose
500
Examples of compounds are
_____= water
______= sodium chloride
H2O
NaCl
500
The only carbon containing compounds that are NOT considered to be organic are?
carbon monoxide and carbon dioxide
500
A)starch is a long chain of ----- molecules used by plants to store energy and is converted into -------- when needed
b) animals store energy as glycogen and ----
a) sugar and glucose
b) fat
500
functions of proteins include how many things (its a number)
3
500
examples of enzymes are
A) ------ breaks down protein into ------- -----
B) ---- breaks down fat into ------- -----