Download 2 Nine Weeks Study Guide

2nd Nine Weeks Study Guide
___1.The order of the bases along a gene determines the order in which
___2.What does messenger RNA do during protein synthesis?
___3.What do transfer RNA molecules do during protein synthesis?
___4.What is a mutation?
___5.Where does protein synthesis take place?
___6.Which nitrogen base in RNA is NOT part of DNA?
___7.Which of these is NOT a function of the cardiovascular system?
___8.Needed substances are carried to the body cells by
___9.The function of the atria is to
___10.What is the function of the group of cells in the heart called the pacemaker?
___11.Blood vessels that carry blood away from the heart are called
___12.When blood flows into the right atrium from the body, it contains
___13.In which vessels are materials exchanged between the blood and the body cells?
___14.Which component of blood carries oxygen to the body cells?
___15.If a person’s blood lacked platelets, what process could not take place?
___16.Which of these heart structures prevents blood from flowing backward?
___17.When the ventricles contract, blood is pumped
___18.Which chamber of the heart pumps oxygen-poor blood to the lungs?
___19.Which component of blood is 90 percent water?
___20.The function of white blood cells is to
___21.How many loops does the human circulatory system contain?
___22.Messages are carried back and forth between the brain and other parts of the body by
___23.Which organ system makes blood cells?
___24.Which type of human body tissue can contract, or shorten?
___25.Which of the following is NOT a function of the skeleton?
___26.What kind of motion is possible with a hinge joint?
___27.Which type of muscle is found only in the heart?
___28.How do pairs of skeletal muscles work together?
___29.Skeletal muscles must work in pairs because
___30.A strong connective tissues that holds movable joints together is a
___31.When the nervous system makes you feel hungry or thirsty, what body process is it helping to carry out?
___32.A change or signal in the environment that can make an organism react is called a(n)
___33.What part of a neuron carries nerve impulses away from the cell body?
___34.A motor neuron sends an impulse to
___35.The somatic nervous system controls
___36.An automatic response of the body that occurs very rapidly and without conscious control is called a(n)
___37.In some reflex actions, skeletal muscles contract without the involvement of
___38.Suppose that you close a window because you notice that rain is falling. Your action in closing the window is
a(n)
___39.A synapse is the space between
___40.The brain and spinal cord make up the
___41.The process in which a strand of mRNA forms from a parent strand of DNA is known as:
___42.The process in which an entirely new DNA molecule forms form a parent molecule is known as:
___43.A nucleotide consists of:
___44.A ___ hydrogen bond forms between cytosine and guanine.
___45.What makes up the “sides” of a DNA molecule?
___46.What makes up the “rungs” of a DNA molecule?
___47.Who were the scientists responsible for publishing the first accurate model of a DNA molecule?
___48.A DNA molecule’s shape is commonly referred to as a:
___49.Where in the cell is DNA located?
___50.DNA contains the instructions for your body’s production of: