What name is given to the following reaction?
sucrose + water -------> glucose + fructose
1. hydrolysis
2. dehydration
Hydrolysis
A process is referred to as aerobic if it requires ________.
Oxygen
carbon dioxide
ATP
Carbohydrates
oxygen
A ________ is an autotroph
A) human
B) mushroom
C) pine tree
D) fish
Pine Tree
Energy can be defined as ________.
the capacity to cause movement
the capacity to cause change
a measure of calories
a measure of disorder
the capacity to cause change
Vacuoles are _________________.
Membranous sacs
Manufactured by ribosomes
Composed of microtubules
Found only in plant cells
Membranous sacs
Ultimately, all scientific knowledge comes from:
Experimentation
experience
Books
history
Experimentation
What compound directly provides energy for cellular work?
Sugar
ATP
DNA
Fat
ATP
Electron transport takes place in the ________.
Mitochondria
Chloroplasts
Cytoplasts
Ribosomes
mitochondria
What are genes composed of?
Insulin
Organelles
Tissues
DNA
DNA
You find a cell of a type you have never seen before. The cell has both a nucleus and a cell wall. Therefore, you conclude that it is likely to be a(n) ________ cell.
Prokaryotic
Animal
Bacterial
Plant
plant
All atoms of an element have the same number of ____________.
a. protons plus neutrons
b. protons
c. electrons
d. neutrons
protons
A single carbon atom can form a maximum of ________ covalent bond(s).
0
1
2
4
4
Photosynthetic organisms are ________.
producers that make all of their organic matter from organic molecules that they take in
consumers that obtain organic molecules from other living organisms
producers that make their own organic matter from inorganic molecules
decomposers that obtain nutrients from the soil
Producers that make their own organic matter from inorganic molecules
The principle that energy cannot be created or destroyed is known as ________.
cellular respiration
conservation of energy
conservation of heat
entropy
__________ are the major lipids of plasma membranes.
Steroids
Fats
Phospholipids
Water
An atom's _______________ are found in its nucleus.
a. neutrons and protons
b. protons only
c. neutrons and electrons
d. electrons, protons, and neutrons
neutrons and protons
Which process is found in both cellular respiration and in the light reactions of photosynthesis?
citric acid cycle
Glycolysis
Calvin cycle
electron transport chain
electron transport chain
Which molecule is produced during the light reactions of photosynthesis?
O2
CO2
C6H12O6
ADP
O2
Substances that plug up an enzyme’s active site are enzyme ______________.
Substrates
Inhibitors
Catalysts
Products
Inhibitors
Usually, enzymes are _______________.
Fats
Steroids
Chemical reactions
Proteins
Proteins
What is biology?
The scientific study of life
The scientific study of the environment
The scientific study of DNA
The scientific study of ecosystems
Lactic acid buildup in muscles is a sign that ________.
aerobic respiration capacity has not been reached
respiration is operating effectively
insufficient oxygen is reaching the muscles
the muscles will be able to operate continuously for a long time
insufficient oxygen is reaching the muscles
Photosynthesis contributes to plant growth by ________.
taking in oxygen and making wood
taking in carbon dioxide and making sugars (carbohydrates)
synthesizing carbon dioxide and making cellulose
converting sugar to oxygen and water
taking in carbon dioxide and making sugars (carbohydrates)
______________ occurs when a white blood cell engulfs a bacterium.
Osmosis
Diffusion
Exocytosis
Phagocytosis
Phagocytosis
Human body cells are approximately ________ water.
95-99%
25-35%
50-55%
70-95%
70-95%