Study sets matching "chemical and physical processes of digestion"

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Study sets matching "chemical and physical processes of digestion"

Chemical and Physical Processes of Digestion
In order to digest a molecule
Digestion
Enzyme
Active site
the conditions must be right (that is, the temperature and pH…
breaking down food molecules into smaller molecules
large protein molecule that are biological catalysts ... -increa…
specific site on enzyme that interacts with the substrate
In order to digest a molecule
the conditions must be right (that is, the temperature and pH…
Digestion
breaking down food molecules into smaller molecules
Chemical and Physical Processes of Digestion
2A, 4A, 5A 6A
3A,5A,6A
tested negative because Benedict's tes…
5T,4T
which tubes tested positive for starch?
which tubes tested positive for sugar?
why did test tube 2A test negative for sugar when starch is c…
which tubes tested positive for protein digestion?
2A, 4A, 5A 6A
which tubes tested positive for starch?
3A,5A,6A
which tubes tested positive for sugar?
22 terms
Chemical and Physical Processes of Digestion
What three factors must be right in or…
What is the substrate of amylase?
What are the building blocks of amylase?
What effect did boiling have on enzyme…
temperature... pH... correct enzyme
starch
glucose
denatured it... becomes inactive
What three factors must be right in or…
temperature... pH... correct enzyme
What is the substrate of amylase?
starch
Chemical and Physical Processes of Digestion
What is the substrate for amylase?
What is the product of amylase digesti…
What conditions are the most optimal f…
What effect does heat have on amylase…
Starch
Maltose (sugar)
37 degrees (body temp)
Denatures enzyme
What is the substrate for amylase?
Starch
What is the product of amylase digesti…
Maltose (sugar)
53 terms
Chemical and Physical Processes of Digestion
digestion
breaking down of food molecules into s…
enzyme
large protein molecule that is a biolo…
breaking down of food molecules into smaller molecules
digestion
large protein molecule that is a biological catalyst
enzyme
digestion
breaking down of food molecules into smaller molecules
breaking down of food molecules into s…
digestion
Chemical & Physical Processes of Digestions
monomers
enzymes
catalysts
hydrolases ( hydrolytic enzymes)
enzymes can be absorbed only when broken down to their _______.
large protein molecules produced by body cells... biological cat…
increase the rate of a chemical reaction without themselves b…
digestive enzymes that break down substrates by adding water…
monomers
enzymes can be absorbed only when broken down to their _______.
enzymes
large protein molecules produced by body cells... biological cat…
39 terms
39 chemical and physical processes of digestion
substrate
enzyme
catalyst
control
substance on which an catalyst works
biological catalyst
increases the rate of a chemical reaction without becoming pa…
provides a standard comparison for test results
substrate
substance on which an catalyst works
enzyme
biological catalyst
22 terms
physioex: chemical and physical process of digestion
what is digestion
what are enzymes
what is hydrolases and substrates
what is amylase?
the process of breaking down food molecules into smaller mole…
large protein molecules that work as a biological catalysts t…
both hydrolytic enzymes (digestive enzymes) hydrolases break…
enzyme secreted from the salivary glands
what is digestion
the process of breaking down food molecules into smaller mole…
what are enzymes
large protein molecules that work as a biological catalysts t…
15 terms
Digestive System Processes, Chemical and Physical
What are the two types of digestive pr…
Mechanical Digestion
Chemical Digestion
Lipids
Mechanical and chemical
Food is chewed in mouth, forms bolus. Stomach further liquefi…
Uses chemicals, namely enzymes, to break down specific substa…
Substrate: Milk fat or Litmus... Enzyme: Pancreatin... Monomer: Fat…
What are the two types of digestive pr…
Mechanical and chemical
Mechanical Digestion
Food is chewed in mouth, forms bolus. Stomach further liquefi…
48 terms
Digestive System Processes: Chemical and Physical
What are enzymes?
What are biological catalysts?
The digestive enzymes are hydrolytic e…
What hydrolases substrates?
large protein molecules produced by body cells; they are biol…
catalysts increase the rate of a chemical reaction without th…
hydrolases
organic food molecules
What are enzymes?
large protein molecules produced by body cells; they are biol…
What are biological catalysts?
catalysts increase the rate of a chemical reaction without th…
5 terms
Chemical and Physical Processes of Digestion: Wet Lab
Match the following definitions with t…
b. control
c. enzyme
d. substrate
a. increases the rate of a chemical reaction without becoming…
provides a standard of comparison for test results
biologic catalyst; protein in nature
substance on which a catalyst works
Match the following definitions with t…
a. increases the rate of a chemical reaction without becoming…
b. control
provides a standard of comparison for test results
Lab on chemical and physical processes of digestion
Carbohydrate digestion:... Which substanc…
Carbohydrate digestion:... At what pH did…
Carbohydrate digestion:... How do you kno…
Carbohydrate digestion:... What effect di…
The enzyme is salivary amylase (an enzyme produced by the sal…
At pH 7 the highest activity of salivary amylase occurred. Th…
The Benedict's Test tested for glucose (maltose), and test tu…
Boiling ended the enzyme activity (as seen by test tube 1 whe…
Carbohydrate digestion:... Which substanc…
The enzyme is salivary amylase (an enzyme produced by the sal…
Carbohydrate digestion:... At what pH did…
At pH 7 the highest activity of salivary amylase occurred. Th…
158 terms
exercise 8: Chemical and Physical Processes of Digestion
Digestive system
Digestion
Enzymes
hydrolases
aka gastrointestinal system, have digestive tract or GI tract…
process of breaking down food molecules into smaller molecule…
Large protein molecules that produced by body cells... -catalyze…
aka hydrolytic enzymes are digestive enzymes that break down…
Digestive system
aka gastrointestinal system, have digestive tract or GI tract…
Digestion
process of breaking down food molecules into smaller molecule…
20 terms
Chemical and Physical Processes of Digestion -Exercise 39
Cite the function of bile in the diges…
Discuss the possible role of temperatu…
Explain why swallowing is both volunta…
what is the role of the tongue during…
breaks down fat into smaller ones that provides a larger surf…
increased temperature increases enzymatic activity, pH effect…
it is voluntary during the bucal phase until the tongue press…
blocks off the mouth
Cite the function of bile in the diges…
breaks down fat into smaller ones that provides a larger surf…
Discuss the possible role of temperatu…
increased temperature increases enzymatic activity, pH effect…
34 terms
Chemical and Physical Processes of Digestion (Lab 8)
Digestive System
Digestive tract
Digestion
Enzymes
Consists of the digestice tract and acessory glands that secr…
Includes mouth, pharynx, esophagus, stomach, small intestine,…
The process of breaking down food molecules into smaller mole…
- Are large protein molecules produced by body cells... - They…
Digestive System
Consists of the digestice tract and acessory glands that secr…
Digestive tract
Includes mouth, pharynx, esophagus, stomach, small intestine,…
Exam III: Chemical and Physical Processes of Digestion
Define ingestion
Define secretion
Define mastication
Define motility
the act of taking food and drink into the body by the mouth
a process by which substances are produced and discharged fro…
chew (food)
in the gastrointestinal (GI) tract, patterns of smooth muscle…
Define ingestion
the act of taking food and drink into the body by the mouth
Define secretion
a process by which substances are produced and discharged fro…
20 terms
Lab on chemical and physical processes of digestion
Carbohydrate digestion:... Which substanc…
Carbohydrate digestion:... At what pH did…
Carbohydrate digestion:... How do you kno…
Carbohydrate digestion:... What effect di…
The enzyme is salivary amylase (an enzyme produced by the sal…
At pH 7 the highest activity of salivary amylase occurred. Th…
The Benedict's Test tested for glucose (maltose), and test tu…
Boiling ended the enzyme activity (as seen by test tube 1 whe…
Carbohydrate digestion:... Which substanc…
The enzyme is salivary amylase (an enzyme produced by the sal…
Carbohydrate digestion:... At what pH did…
At pH 7 the highest activity of salivary amylase occurred. Th…
12 terms
Lab Quiz 3 - Chemical & Physical Processes of Digestion
Test for Starch
Test for Maltose
Trypsin
Lipase
Lugol's Iodine (IKI)... - turns black/blue (+)
Benedict's Test... - turns orange, green, or yellow (+)
digests proteins
digests lipids
Test for Starch
Lugol's Iodine (IKI)... - turns black/blue (+)
Test for Maltose
Benedict's Test... - turns orange, green, or yellow (+)
Exercise 39: Digestive System Processes (Chemical/Physical)
Catalyst
Control
Enzyme
Substrate
increases the rate of a chemical reaction without becoming pa…
provides a standard of comparison for test results
a biological catalyst; protein in nature
substance on which a catalyst works
Catalyst
increases the rate of a chemical reaction without becoming pa…
Control
provides a standard of comparison for test results
PhysioEx 8: Chemical and Physical Processes of Digestion
Salivary amylase
IKI solution
Benedict's reagent
Incubation at 37C
Enzyme produced by the salivary glands and secreted into the…
Normally: caramel-colored; Starch present: blue-black
Normally: bright blue: Maltose: green to orange to reddish br…
That's your body temp
Salivary amylase
Enzyme produced by the salivary glands and secreted into the…
IKI solution
Normally: caramel-colored; Starch present: blue-black
Ex. 39 Digestive System Processes: Chemical and Physical
Catalysts
TRUE/FALSE. Breakdown products of fats…
Control
salivary amylase
enzymes that increase the rate of chemical reactions without…
TRUE
A specimen or standard against which all experimental samples…
produced by the salivary glands and secreted into the mouth,…
Catalysts
enzymes that increase the rate of chemical reactions without…
TRUE/FALSE. Breakdown products of fats…
TRUE
36 terms
PhysioEX Chemical and Physical Process of Digestion
digestive tract
accessory glands
digestion
hydrolase
the gastrointestinal tract
glands that secrete enzymes and/or fluids needed of digestion
the process of breaking down food molecules into smaller mole…
an enzyme that catalyzes the addition of water to molecules i…
digestive tract
the gastrointestinal tract
accessory glands
glands that secrete enzymes and/or fluids needed of digestion
32 terms
Lab #7-Chemical & Physical Process of Digestion
digestive system
digestion
enzymes
hydrolases
PEx119
PEx119
PEx119
PEx119
digestive system
PEx119
digestion
PEx119
36 terms
PhysioEX Chemical and Physical Process of Digestion
digestive tract
accessory glands
digestion
hydrolase
the gastrointestinal tract
glands that secrete enzymes and/or fluids needed of digestion
the process of breaking down food molecules into smaller mole…
an enzyme that catalyzes the addition of water to molecules i…
digestive tract
the gastrointestinal tract
accessory glands
glands that secrete enzymes and/or fluids needed of digestion
E9: Digestive System Processes: Chemical and Physical
Substrate
Enzyme
Catalyst
Control
substance on which a catalyst works
biologic catalyst, protein in nature
increases the rate of a chemical reaction without becoming pa…
provides a standard of comparison for test results
Substrate
substance on which a catalyst works
Enzyme
biologic catalyst, protein in nature
22 terms
BI 233 Chemical and Physical Processes of Digestion Ex 39 (LAB)
Enzymes
Catalysts
Hydrolases
Substrates
Biological molecules (proteins) that act as catalysts and hel…
A substance that increases the rate of a chemical reaction wi…
Hydrolytic enzymes, biochemical catalysts that use water to c…
The substance on which an enzyme acts.
Enzymes
Biological molecules (proteins) that act as catalysts and hel…
Catalysts
A substance that increases the rate of a chemical reaction wi…
51 terms
Exam 3 PhysioEx 8 Chemical & Physical Processes of Digestion
define digestion
define enzyme
define hydrolase
substrate
the process of breaking down food molecules into smaller mole…
large protein molecules produced by body cells; they are biol…
breakdown organic food molecules
add water to the molecular bonds, cleaving the bonds between…
define digestion
the process of breaking down food molecules into smaller mole…
define enzyme
large protein molecules produced by body cells; they are biol…
7 terms
Digestion- mechanical and chemical processes
Mechanical digestion
Chemical digestion
Salivary amylase
Protease
Chewing in the mouth, churning in the stomach
Involves enzymes
Starch to Maltose
Protein to amino acids
Mechanical digestion
Chewing in the mouth, churning in the stomach
Chemical digestion
Involves enzymes
Physical and chemical digestion
Grind
Saliva
Acid
Bacteria
Chew
Chemical
Chemical
Chemical
Grind
Chew
Saliva
Chemical
15 terms
Chemical & Physical Digestion
mastication
peristalsis
emulsification
salivary amylase
the process of chewing
Involuntary waves of muscle contraction that keep food moving…
physical process of breaking up large fat globules into small…
Enzyme in saliva that breaks down starch
mastication
the process of chewing
peristalsis
Involuntary waves of muscle contraction that keep food moving…
Exam 3 PhysioEx 8 Chemical & Physical Processes of Digestion
define digestion
define enzyme
define hydrolase
substrate
the process of breaking down food molecules into smaller mole…
large protein molecules produced by body cells; they are biol…
breakdown organic food molecules
add water to the molecular bonds, cleaving the bonds between…
define digestion
the process of breaking down food molecules into smaller mole…
define enzyme
large protein molecules produced by body cells; they are biol…
32 terms
Chemical digestion - catabolic processes
Hydrolysis
Carbohydrates
Starch
Oligosaccharides
use of water to break a chemical bond... one molecule of water p…
we eat - polysaccharides ... - starches - plant... -glycogen - anim…
salivary amylase - salivary gland --> mouth... pancreatic amylas…
Dextrinase - brush border --> small intestine... Glucoamylase -…
Hydrolysis
use of water to break a chemical bond... one molecule of water p…
Carbohydrates
we eat - polysaccharides ... - starches - plant... -glycogen - anim…
11 terms
Chemical and Processes of digestion
what is the substrate of the amalyse r…
what is the product of the amylase rea…
the reagent IKI tests for the presence…
with a negative control a ______ resul…
starch and carbohydrate
maltose
starch
negative result
what is the substrate of the amalyse r…
starch and carbohydrate
what is the product of the amylase rea…
maltose
12 terms
Physical and chemical digestion
Grind
Saliva
Acid
Bacteria
Chew
Chemical
Chemical
Chemical
Grind
Chew
Saliva
Chemical
20 terms
Chemical Process of Digestion
oral cavity
stomach
esophagus
Small intestine
Glands salivary and mucous ... Secretion: saliva and mucus... enzym…
glands: gastric mucous... secretion: gastric juice, HCl, mucus... e…
glands: mucous... secretion: mucus... digestive function: lubricate
glands: liver, pancreas, intestinal, mucous
oral cavity
Glands salivary and mucous ... Secretion: saliva and mucus... enzym…
stomach
glands: gastric mucous... secretion: gastric juice, HCl, mucus... e…
chemical and physical digestion
amylase
protease
lipase
enzymes
breaks down carbs into monosaccharides in the mouth 1st. made…
breaks down proteins into amino acids in the stomach. made in…
breaks down lipids into fatty acids in the small intestine. m…
proteins that are catalysts--speed up reactions
amylase
breaks down carbs into monosaccharides in the mouth 1st. made…
protease
breaks down proteins into amino acids in the stomach. made in…
15 terms
Bio chemical process of digestion
Amylase
Pepsins
Amylase
Lipase
Breaks down starch into maltase, lubricates
Breaks down proteins into peptides (short of amino acids)
Changes starch into maltose
Breaks down some fats into fatty acids
Amylase
Breaks down starch into maltase, lubricates
Pepsins
Breaks down proteins into peptides (short of amino acids)
20 terms
Chemical and Physical Digestion
Salivary Glands
Teeth
Tongue
Swallowing
release saliva to break down foods
physically grind and break down food in the oral cavity
muscular organ that positions food for chewing
muscular action that pushes food into the esophagus
Salivary Glands
release saliva to break down foods
Teeth
physically grind and break down food in the oral cavity
8 terms
Physical or Chemical Digestion
Mouth?
Throat
Epiglottis
Stomach
Physical and Chemical
No digestion
No digestion
Physical and Chemical
Mouth?
Physical and Chemical
Throat
No digestion
13 terms
Physical and chemical digestion
both
both
chemical
chemical
Mouth
Stomach
Beginning of small intestine
Pancreas
both
Mouth
both
Stomach
7 terms
Chemical and physical properties of digestion
salivary amylase
Lugol's solution (IKI)
Benedict's test
tyrpsin
enzyme in the saliva that converts starch into maltose
STARCH... positive starch test- blue-black color... negative starch…
MALTOSE... positive sugar test- green to orange... negative sugar t…
an enzyme produced by the pancreas, hydrolyzes proteins to sm…
salivary amylase
enzyme in the saliva that converts starch into maltose
Lugol's solution (IKI)
STARCH... positive starch test- blue-black color... negative starch…
26 terms
Physical and chemical processes in lakes
The hutchinson niche
Water
Thermosensitivity
Thermal specialist
An n dimensional hypervoline enclosing the complete range of…
Density decreases when solid forms
The range of temperatures an organism can tolerate
Small temp range
The hutchinson niche
An n dimensional hypervoline enclosing the complete range of…
Water
Density decreases when solid forms
21 terms
Physical/Chemical Change in Digestion
physical change
chemical change
chemical reaction
digestion
when a substance changes its size, shape, or state. No new su…
occurs when a new substance is formed as the result of a chem…
occurs anytime a chemical bond is broken or added
the process by which the body breaks down food into small nut…
physical change
when a substance changes its size, shape, or state. No new su…
chemical change
occurs when a new substance is formed as the result of a chem…
7 terms
Chemical and Physical Digestion
Enzymes
Catalysts
Substrate
Hydrolases
Large protein molecules produced by body cells, they increase…
Increase the rate of a chemical reaction, without themselves…
Unbroken food molecules which enzymes act on.
The digestive enzymes are hydrolase. They break down good mol…
Enzymes
Large protein molecules produced by body cells, they increase…
Catalysts
Increase the rate of a chemical reaction, without themselves…
physical and chemical processes (jones)
how do scientists classify things
how can a matter be classified
why is it not a good idea to classify…
what questions do scientist ask themse…
by its composition
mixtures elements and compounds
because one kind of substance can exist in more than one phas…
is the matter uniform throughout, cannot be separated by chem…
how do scientists classify things
by its composition
how can a matter be classified
mixtures elements and compounds
6 terms
Chemical and Physical Changes in Digestion
Physical Change
Chemical Change
Mechanical Digestion
Chemical Digestion
Change in shape, size, mass, state of matter
Heat, light, gas, water, new substance
In the mouth, chewing mixes the food with saliva, from saliva…
Enzymes in the saliva begin digestion of carbohydrates, takes…
Physical Change
Change in shape, size, mass, state of matter
Chemical Change
Heat, light, gas, water, new substance
34 terms
Physical and Chemical Processes in Streams
What are the three major physical abio…
What is the river continuum concept?
In the river continuum concept, what h…
What happens to light penetration in r…
Light, Temperature, Dissolved Oxygen
The flow of water from upstream to downstream and all the pat…
As stream order increases, the river widens and the effects o…
as stream order increases, light penetration increases
What are the three major physical abio…
Light, Temperature, Dissolved Oxygen
What is the river continuum concept?
The flow of water from upstream to downstream and all the pat…
10 terms
Physical chemical digestion
Mouth
Salivary glands
Esophagus
Stomach
Both
Chemical
Physical
Chemical
Mouth
Both
Salivary glands
Chemical
19 terms
Physical & Chemical Processes in Rivers
River Continuum Concept
3 abiotic features impacting streams
impacts on oxygen
impacts on temperature
model for classifying and describing flowing water, in additi…
oxygen temperature light
turbulence increase dissolved O2... temperature decreases dissol…
insolation... climate ... hydrology
River Continuum Concept
model for classifying and describing flowing water, in additi…
3 abiotic features impacting streams
oxygen temperature light
22 terms
The Digestive System: Chemical & Physical Digestion
physically breaking food into smaller…
the process in which food molecules ar…
chew; mixes with saliva; tongue pushes
churns with saliva and juices/water
mechanical digestion
chemical digestion, chemical, mouth, stomach, small intestine
mechanical digestion in mouth
mechanical digestion in stomach
physically breaking food into smaller…
mechanical digestion
the process in which food molecules ar…
chemical digestion, chemical, mouth, stomach, small intestine
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