If a cell has a nucleus, it is _______ (eukaryotic/prokaryotic)
eukaryotic
What term describes the body's ability to maintain its normal state?
Homeostasis
True or False: Caffeine is an example of a drug
True
The vector whose length is the shortest distance from the initial to the final position.
Displacement
The charge of a nucleus of an atom is always _____
(Positive, Negative, or Neutral)
Positive
What does DNA stand for?
Deoxyribonucleic acid
A physiological or psychological dependence on a drug is referred to as:
A. Withdrawal
B. Tolerance
C. Relapse
D. Exposure
E. Addiction
Addiction
The equation Force = Mass times acceleration is a part of Newton's _____ Law of Motion
Second
What is the term for the mass of a given pure substance per a given unit?
Molar mass
The cell wall of a fungus is made of...
A. Cellulose
B. Starch
C. Peptidoglycan
D. Chitin
E. Phospholipids
Answer: Chitin
Cellulose- Found in the cell walls of plants
Starch- Type of carbohydrate
Peptidoglycan- Found in the cell walls of bacteria (polysaccharide)
Phospholipids- Cell membranes
Which of the following allows air to pass into the lungs?
(A) Aorta
(B) Esophagus
(C) Heart
(D) Pancreas
(E) Trachea
E) Trachea
Insulin is needed to move blood sugar (glucose) into cells. Inside the cells, glucose is stored and later used for energy. When you have ________, your fat, liver, and muscle cells do not respond correctly to insulin.
type 2 diabetes
What is the term for the vector sum of all forces on an object?
Net force
A reaction that releases heat is called a ___________ reaction.
Exothermic
This scientist is known as the father of microbiology and discovered cells in a piece of quark in 1674.
Anton van Leeuwenhoek
Which of the following closes and seals off the lower airway during swallowing?
(A) Alveoli
(B) Epiglottis
(C) Larynx
(D) Uvula
(E) Vocal cords
B) Epiglottis
Drugs interfere with the way neurons send, receive, and process signals via _________.
neurotransmitters
What is the study of motion of a body or system of bodies without consideration of the forces involved?
(Hint: First 3 equations on the formula chart)
Kinematics
The Law of ________ ___________ states that every chemical compound has a fixed ratio of its constiuent elements.
Definite proportions
Which of the following allows gas exchange in the lungs?
(A) Alveoli
(B) Bronchi
(C) Bronchioles
(D) Capillaries
(E) Pleurae
A) Alveoli
_______ and _______ are the leading causes of cancer in the U.S., a new American Cancer Society analysis finds. (250 points each)
Smoking and obesity
Alpha decay or α-decay is a type of radioactive decay in which an atomic nucleus emits an alpha particle, which is made of how many protons and neutrons?
2
What are the 3 of the 5 central ideas of Dalton's Atomic theory?
1. All matter is comprised of tiny, definite particles called atoms.
2. Atoms are indivisible and indestructible.
3. All atoms of a particular element share identical properties, including weight.
4. Atoms of different elements contain different mass.
5. Atoms of different elements combine in fixed whole-number ratios when forming compounds.