Bio 235 Midterm 1 Questions With 100%Verified Answers(Guaranteed Sucess)Graded A+
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Course
BIOL 235
Institution
BIOL 235
Bio 235 Midterm 1 Questions With 100%Verified Answers(Guaranteed Sucess)Graded A+
metabolism - correct answer...sum of al chemical processes
catabolism - correct answer...that break down molecules, releasing energy.
anabolism - correct answer...the process of building up larger molecules f...
Bio 235 Midterm 1 Questions With
100%Verified Answers(Guaranteed
Sucess)Graded A+
metabolism - correct answer...✔✔sum of al chemical processes
catabolism - correct answer...✔✔that break down molecules, releasing energy.
anabolism - correct answer...✔✔the process of building up larger molecules from
smaller ones.
3 things that effect growth in the body size - correct answer...✔✔1. increase in the size
of existing cells
2.increase in the number of cells
3.increase in the size of material between the cells
reproduction is the formation of new cells for? (2) - correct answer...✔✔1. tissue
growth, repair or replacement
2. production of a new individual
fluid within the cells - correct answer...✔✔intracellular fluid
fluid outside the cells - correct answer...✔✔extracellular fluid
ECF that fills narrow space between cells of tissues - correct answer...✔✔interstitial
fluid
what is the monitored variable called in a feedback loop - correct answer...✔✔
controlled condition
what is the stimulus - correct answer...✔✔any disruption that changes a controlled
condition
what's the receptor - correct answer...✔✔body structure monitoring the changes of a
controlled condition and sends inputs
what is an afferent pathway-input - correct answer...✔✔flows towards the control
center (nerve impulse or chemical signal)
AGRADESOLUTIONS
,what is the control center - correct answer...✔✔sets the range of values within which a
controlled condition should be maintained; evaluates the input it receives from receptors
and generates output commands when they are needed
efferent pathway - correct answer...✔✔flow away from control center to effector
effector - correct answer...✔✔body structure receiving output and brings about change
and produces a response that alters the controlled condition
negative feedback system - correct answer...✔✔reverses a change in a controlled
condition
positive feedback loop - correct answer...✔✔strengthens or reinforces a change in the
controlled condition until its interrupted-effector produces a response that reinforces the
initial change-child birth
disorder - correct answer...✔✔abnormality of a structure or function
disease - correct answer...✔✔illness characterized by a recognizable set of signs and
symptoms
symptom - correct answer...✔✔subjective changes not visible to the observer
sign - correct answer...✔✔objective changes visible to the observer (doctor)
prone - correct answer...✔✔body is lying face down
visceral layer of cavity - correct answer...✔✔inner layer
parietal layer of cavity - correct answer...✔✔outer layer
mediastinum cavity - correct answer...✔✔between the lugs extending from the sternum
to the vertebral column and first rib down to the diaphragm-heart, thymus, esophagus,
trachea, and BV's but not the lungs
diaphragm - correct answer...✔✔dome muscle that separates the thoracic cavity from
the abdominopelvic cavity
abdominopelvic cavity - correct answer...✔✔from the diaphragm to the groin
abdominal cavity-stomach, spleen, liver, gallbladder, small intestine, and large intestine
pelvic cavity-urinary bladder, parts of the large intestine, and internal organs of the
reproductive system
viscera - correct answer...✔✔organs inside thoracic and abdominopelvic cavities
major elements of body mass - correct answer...✔✔nitrogen, carbon, oxygen and
hydrogen
lesser elements 8 - correct answer...✔✔Calcium, Phosphorus, Potassium, Sulfur,
Sodium, Chlorine, Magnesium, Iron
AGRADESOLUTIONS
, what are the three subatomic particles - correct answer...✔✔neutrons, protons,
electrons
nucleus - correct answer...✔✔core of an atom
proton - correct answer...✔✔positively charged (in nucleus)
neutron - correct answer...✔✔neutral no charge (in nucleus)
electrons - correct answer...✔✔negatively charged in a cloud around the nucleus
number of protons =? - correct answer...✔✔number of electrons
atomic number is what - correct answer...✔✔number of protons/electrons
mass number - correct answer...✔✔sum of protons and neutrons
isotopes - correct answer...✔✔Atoms of the same element that have different numbers
of neutrons
radioactive isotopes (radioisotopes) - correct answer...✔✔An isotope of an atom that
spontaneously emits one or more types of radioactivity into stable configuration
half-life - correct answer...✔✔the time it takes radioactive isotope to decay into half
atomic mass/weight - correct answer...✔✔average of the natural occurring isotopes
ion - correct answer...✔✔has a positive or negative charge because it has unequal
number of protons and electrons
ionization - correct answer...✔✔the process of giving up or gaining an electron to
become stable
molecule - correct answer...✔✔when two or more atoms share an electron
compound - correct answer...✔✔substance made up of two or more different elements
free radicals - correct answer...✔✔atoms with an unpaired electron in the outermost
shell making it unstable-become stable by gaining or losing from another element (this
breaks apart important elements) UV rays, x-rays
ionic bond - correct answer...✔✔force of attraction between oppositely charged ions
AGRADESOLUTIONS
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