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NLN PAX

Terms in this set (59)

What is an atom called if it has a positive charge?
Cation
What is the function of Golgi Bodies?
Storing and releasing proteins
A(n) ___________ is a stable subatomic particle that has a negative charge.
Electron
What is the oxidation number of an elemental atom?
0 (zero)
A solution with a pH less than 7 is considered to be what?
Acidic
Which of the following organelles does a unit membrane not surround?
A. Nucleus
B. Lysosomes
C. Mitochondria
D. Ribosomes
D. Ribosomes
Mendel's second law, dihybrid inheritance, is the cross between two parents with which of the following?
A. Equivalent alleles for two traits
B. Different alleles for two traits
C. Equivalent alleles for one trait
D. Different alleles for one trait
B. Different alleles for two traits
What are the products in the following chemical equation: 2HCI + 2Na --> 2NaCl + H2
2NaCl and H2
Reactants are before the arrow, products are after
What is the largest type of biological molecule?
Protein
What type of chemical bond is formed when one atom, chemical or element is joined to another?
Chemical Bond
To which body system do the joints belong?
Skeletal System
Matter exists in four phases which include: solid, liquid, gas and _______.
Plasma
What kind of charge do protons have?
Positive
What kind of charge do neurons have?
Neutral
What kind of charge do electrons have?
Negative
Which type of individuals have two different alleles, such as Aa?
Heterozygous
What chemical property causes water to conduct electricity?
Ions
_________ is a lipid that is a membrane component and a precursor to significant hormones?
Steroids
Which of the following is an example of a cell created by meiosis?
A. Skin Cell
B. Kidney Cell
C. Brain Cell
D. Sperm Cell
D. Sperm Cell
The organic molecule compound C6H12O6 is _________.
Glucose
What term is used to describe a substance that can act as either a base or an acid?
Amphoteric
Within the closed circulatory system of the cardiovascular system, the systemic loop carries ___________ blood from the left ventricle of the body, returning ___________ blood to the right atrium.
oxygenated, deoxygenated
What part of the cell acts as the digestion center?
Lysosome
Neutrophils, eosinophils, and basophils are a collection of white blood cells that are known as __________.
Granulocytes
The acronym CHNOPS represents the six most important chemical elements whose covalent combinations make up most biological molecules on Earth. What does the P stand for?
Phosphorus
If oxygen is in a compound what would its oxidation number be?
-2
What is the formula for density?
density = mass / volume
Which of the following is NOT how the periodic table is organized?
A. Atomic Numbers
B. Electron Configurations
C. Chemical Properties
D. Subatomic Particles
D. Subatomic Particles
What type of muscle tissue can be controlled consciously?
Skeletal
What is an atom called if it has a negative charge?
Anion
In meiosis, the chromosome number is reduced from ____ to ____.
46; 23
Intracellular digestion occurs in which organelle?
Lysosomes
Which option identifies a substance that has an ionic bond?
A. CO2
B. HCI
C. NH3
D. NaF
D. NaF
An ionic bond contains one metal element and one non-metal element.
Which of the following has a positive electrical charge?
A. Atoms
B. Protons
C. Electrons
D. Neutrons
B. Protons
What represents the boiling point of water on the Kelvin Scale?
373 K
The thymus is an endocrine system gland that secretes humoral factors. What does the thymus help an individual do?
Develop a healthy immune system
What organelle is responsible for membrane production and protein synthesis?
Rough ER
Superior
Above
Inferior
Below
Posterior
Behind
Anterior
In front of
What type of tissue is adipose tissue, also known as fat?
Connective
The pineal gland is an endocrine system gland that synthesizes and secretes __________________.
Melatonin
How many centimeters are in one inch?
2.54
The iliac artery is one of the major arteries that takes blood to where?
Lower Limbs
T/F : Water is a nonpolar molecule.
True
Proteins are polymers of 20 molecules known as what?
Amino Acids
During which stage of mitosis do the chromosomes begin to pull away from their daughters?
Anaphase
Molecules composed of amino acids joined by peptide bonds are known as what?
Proteins
How is an ion created?
By the addition or subtraction of electrons
What type of bond is formed when two oppositely charged ions are electrostatically attracted?
Ionic Bond
When hydrocarbon is heated, its products are carbon dioxide and water. What is this an example of?
Combustion
Which of the following is known as nerve tissue?
A. Smooth
B. Neuroglia
C. Cardiac
D. Skeletal
B. Neuroglia
In which of the following phases of matter do the molecules exert a strong attraction to one another as they move slowly relative to one another?
A. Gas
B. Solid
C. Liquid
D. Plasma
B. Solid
In DNA, adenine bonds to ______________.
Thymine
A & T
C & G
What type of solution combines readily separate matter?
Emulsions - an example is water and oil
What enzyme do the kidneys produce to regulate arterial blood pressure by retaining or removing water and salt?
Renin
What type of solution uses mercury to dissolve another metal type?
Amalgams
What does an oxidized agent do?
loses electrons
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