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BIO 156 Unit 1 Exam Questions and Answers
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BIO 156 Unit 1 Exam Questions and Answers
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BIO 156 Unit 1 Exam Questions andAnswers
Which of the following sequences represents the hierarchy of biological organization
from the most complex to the least complex level? - Answer -Biosphere, ecosystem,
community, population, organism
The smallest unit of biological structure that meets the functional requirements of "living"
is the ________. - Answer -Cell
A suggested and testable explanation for an event is called a ________. Select the
most appropriate answer. - Answer -Hypothesis
Which of the following units is the largest? - Answer -liter (L)
Which of the following units is the smallest? - Answer -microgram
Which of the following shows metric units from smallest to largest? - Answer -milli =>
deci => base unit => kilo
Which of the following shows metric units from largest to smallest? - Answer -kilo =>
deca => base unit => milli
How many liters are in 300 milliliters? - Answer -0.3 liters
Convert 210 mg to grams. - Answer -0.21 g
How many milliliters are in 0.539 liters? - Answer -539 ml
How many milligrams in 4.5 grams? - Answer -4500 milligrams
Convert the metric equivalent: 8,500 grams to kg. - Answer -8.5 kg
Convert 27 mg to mcg. - Answer -27,000 mcg
How many ml are in 5 L? - Answer -5000 ml
, Convert 27.5 grams to kg. - Answer -0.0275 kg
How many oz are in 15 ml? - Answer -0.5 oz
Dylan is 48 inches tall. How tall is he in cm? - Answer -122 cm
A patient weighs 147 pounds and needs to receive 5 mg/kg of a certain medication.
How many mg should the patient receive?
HINT: Step 1) convert pounds to kg; Step 2) find mg of medication needed. - Answer -
334.1 mg
An infant weighs 5.45 kg and needs an oral medication of 0.25 teaspoon per pound.
How many mL do you administer?
HINT: Step 1) convert kg to pounds; Step 2) find tsp of medication needed; Step 3)
convert tsp to ml. - Answer -15 ml
a) Define the word homeostasis
(b) Explain why maintaining homeostasis is important to the survival of all living
organisms
(c) Provide one example of a homeostatic process occurring in your body right now -
Answer -(a). Homeostasis is the ability to maintain a stable balance in the internal
condition of the body.
(b). Homeostasis is important to the survival of all living organisms because it keeps the
body environment under control and balance is the important factor for any living
organisms.
(c). One example of homeostatic process occurring in our body is the internal body
temperature. Our body maintains a certain temperature but increases and decreases to
keep it desirable.
Which of the following would be a good definition of an atom according to Democritus? -
Answer -A piece of something that is as small as possible
Proton - Answer -A subatomic particle that has a positive charge and that is found in the
nucleus of an atom
Electron - Answer -A subatomic particle that has a negative charge
Neutron - Answer -A subatomic particle that has no charge and that is found in the
nucleus of an atom
A) Find Carbon in the periodic table.
1). What is Carbon's atomic number? 6
2). How many protons does Carbon have in its nucleus? 6
3). How many electrons does Carbon have? 6
B) Find Hydrogen in the periodic table.
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