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Biology 101 Test 1questions And Answers With Verified Solutions Latest Updated 2024
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Biology 101 Test 1questions And Answers With Verified Solutions Latest Updated 2024
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Biology 101 Test 1questions AndAnswers With Verified Solutions Latest
Updated 2024
define biology - ANSWER✔✔ the study of life
greek (bios=life; ology=study of)
first three levels of organized life in order - ANSWER✔✔ proton, neutron,
electron
last level of organized life - ANSWER✔✔ biosphere
List the 5 body conditions affected by the marathon. Also, tell whether the
condition increased or decreased. - ANSWER✔✔ Weight-decreased
Temperature-increased
Breathing-increased
Heart rate-increased
Fuel-decreased
Maintaining stable conditions in the body is called... - ANSWER✔✔ Homeostasis
Body processes require what type of environment? - ANSWER✔✔ Controlled
The body begins to use fat as fuel after what has occurred? - ANSWER✔✔ After
blood glucose & stored glycogen are used up.
,Name three ways heat can be removed from the body. - ANSWER✔✔ Radiation
Convection
Evaporation
Many of the body's chemical reactions cease to function when this occurs. -
ANSWER✔✔ Core body temp goes too high.
What do muscles produce as a result of contraction? - ANSWER✔✔ Heat
What gas is needed to keep the muscles working? - ANSWER✔✔ Oxygen
In gas exchange, what goes in? What comes out? - ANSWER✔✔ Oxygen goes in.
Carbon Dioxide comes out.
Where does gas exchange take place in the body? - ANSWER✔✔ The lungs.
Early in a race would you expect the blood glucose to raise or drop? -
ANSWER✔✔ Drop.
Adrenaline stimulates the liver to break down glycogen into... - ANSWER✔✔
Glucose.
What causes increased heart and breathing rates before a race? - ANSWER✔✔
Release of adrenaline
, Most of the weight lost during a marathon is in what form? - ANSWER✔✔ Sweat
(fluid water)
Give an example of negative feedback. - ANSWER✔✔ Hormone from the brain
causing the kidneys to reduce urine production.
Name the two types of particles in the nucleus of an atom. - ANSWER✔✔ Proton
Neutron
Name the particle found outside the nucleus of an atom. - ANSWER✔✔ Electron
Define element. - ANSWER✔✔ Something made up of only one type of atom.
The number of ________ in the nucleus of an atom determine what the atom is. -
ANSWER✔✔ Protons
What element has 6 protons - ANSWER✔✔ Carbon
What is the atomic number of Carbon - ANSWER✔✔ 6
Name the six elements most important to biomolecules. - ANSWER✔✔ CHOPNS
Carbon
Hydrogen
Oxygen
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