Chemistry In Biology Flashcards
(25 cards)
What is the study of life
Biology
What are four kinds of organic compounds
Carbohydrates, Proteins, Lipids, Nucleic Acids
The building blocks of Nucleic Acids are
nucleotides
The building blocks of protein are
Amino Acids
What is an inorganic compound
Salt
A solution with a pH of 14 would be considered
A strong base
A twisted Ladder called a double helix represents the shape of the molecule
DNA
The basic building blocks of all matter are known as
Atoms
The main function of glucose is
To be a source of energy
Which are the four most abundant elements in living cells
Carbon, hydrogen, nitrogen oxygen
The products in the stages in the digestion of a starch would most likely contain…
Simple Sugars
If an enzyme works at a neutral pH. In which pH range is that enzyme expected to function
6-8
What is not a function of lipids?
Serves as the bodies main source of energy
A characteristic of hormones and enzymes that allows them to work effectively with other organic molecules their
Specific shape
What is an incorrect statement about enzymes?
Enzymes are destroyed when they’re used and must be synthesized (made) for each reaction
At what pH would the enzyme be
Between eight and 10
What determines the kind of genes and organism possesses
The sequence of the subunits ATCG in the DNA of the organism
What kind of organic molecule is an
Protein
What specific change happens to an enzyme that stops it from working when you heat it
It’s denatured
What is the optimal pH for pepsin enzyme in the stomach and is this PH acid
3
Acid
What is the optimal pH for trypsin and is this pH acid or basic
8
Basic
State how a fever of 40•C would most likely affect the activity of these enzymes and support your answer
It would denature them changing their shape forever
Identify the characteristics of enzymes that prevents ptyalin and trypsin from digesting the same type of food
They’re two different types of enzymes and two different types of shapes which they have different functions
What is the optimal temperature of the functionality of a human enzyme?
37°
