Questions And Correct Detailed Answers (Verified
Answers)|Already Graded A+
What is produced by the skin when a cholesterol based precursor
is modified by the presence of ultraviolet radiation? -
ANSWER- Vitamin D
Which type of bone cells perform mineral resorption -
ANSWER- osteoclasts
Inside of adult long bones, yellow bone marrow is located
within which of the following? - ANSWER- medullary cavity
What type of tissue serves to fasten and support body parts -
ANSWER- Connective
What leaves the body via deferens - ANSWER- Gametes
,What reproductive organs produces sperm in males and ova in
females - ANSWER- Gonads
What is the term used to describe an action potential jumping
from node to node in an axon - ANSWER- Saltatory conduction
A polysaccharide can be described as which of the following -
ANSWER- A carbohydrate that is made of many sugar
molecules
What is a chemical reaction between two molecules in which a
water molecule is released and a covalent bond forms -
ANSWER- Dehydration reaction
Which is a triplet of nitrogenous bases that codes for an amino
acid - ANSWER- Codon
Inheritance can be described as what? - ANSWER- transmission
of characteristics to offspring
Genetic information describing the characteristics of an
organism is sound in which of the following - ANSWER-
Nucleus
,What best describes the result of mitosis - ANSWER- New body
cells that replace damaged body cells
What is the function of ribosomes - ANSWER- they facilitate
protein synthesis
Correctly describes a major metabolic pathway - ANSWER-
Respiration is an oxidative, degradative pathway
atomic mass has a decimal because it is the average of all the
isotopes for a particular element. The atomic number of an
element is the number of in its nucleus - ANSWER- mass -
protons
An atom that has lost an electron becomes in charge and is
called a - ANSWER- Positive, cation
Which of the following statements is true about protons -
ANSWER- They are located in the nucleus of an atom
, What is characteristic of a graph displaying the physical states of
a substance under varying temperature and pressure -
ANSWER- Having temperature and pressure as its axes and is
called a phase diagram
Each elements atomic number is determined by the number of
what in its atom? - ANSWER- Protons
The number of which of the following particles will differ for
each isotope of the same element - ANSWER- Neutrons in it's
nucleus
What best describes the mass of an object - ANSWER- An
extensive property and physical property
Which characteristics applies to the bonds holding together
nonpolar covalent molecules - ANSWER- They share electrons
between atoms and result in a balanced distribution of charges
throughout the molecule.
What is the appropriate prefix measure of the amount of space
taken up by a penny - ANSWER- Milli