Final Review-Test 1 Flashcards
Bertoch Final Review, all of Test 1. Questions with images were not included in this deck. Also, the questions regarding the stories about the lizards are not included. Please see test on Canvas to review those questions.
Carbohydrates typically include ______.
C, H, and O atoms
Why is water considered a polar molecule?
The oxygen end of the molecule has a slight negative charge, and the hydrogen end has a slight positive charge.
The monomers of Nucleic Acids are ______.
Nucleotides
What are the proper components of the scientific method?
experiment, conclusion, application
Observation, question, hypothesis, prediction, experiment, results, conclusion
Isotopes of an element have the same number of ______ and different numbers of _____
Protons….Neutrons
Sometimes when I have my morning coffee, which I drink black with no sugar, I notice a thin film floating on top of the coffee. Since I have just read Chapter 3 of the text, I now realize the nature of this substance and so I run to my friend screaming, “Look at this ______ in my coffee!”
Hydrophobic Substance
A scientist, who is studying the effects of overgrazing on forest range, is involved in which branch of life science?
Ecology
Unequal reproductive success can lead to ______.
Natural Selection
Members of the kingdom Plantae differ from members of the other kingdoms of Eukarya in that most members of the kingdom Plantae ______.
Produce their own food
A friend of yours appears to have put on a lot of muscle very quickly. At the same time, you notice that your friend seems to have a lot of mood swings and appears depressed. It is reasonable for you to suspect that your friend has begun to take ______.
An anabolic steroid
What is required for natural selection to occur?
(answer is all of the above) unequal reproductive success, individual variation, inheritance, overproduction
What are the reactant(s) in the following chemical reaction?
C6H12O6 + 6 H2O + 6 O2 → 6 CO2 + 12 H2O
C6H12O6, H2O, and O2
An atom with a positive charge has ______.
MOre protons than electrons
An atom with an electrical charge is a(n) ______.
ion
Which of the following molecules are hydrophilic?
a. ) polyunsaturated fatty acids
b. ) Testosterone
c. ) cholesterol
d. ) cellulose
e. ) butter
D. cellulose
The hydrogens and oxygen of a water molecule are held together by ______ bonds
Covalent
What name is given to substances that resist changes in pH?
buffers
Taxonomy is the ______.
naming and classifying of species
Which of the following is an example of a polysaccharide?
starch
Humans are composed of ______ cells.
eukaryotic
Relative to a pH of 6, a pH of 4 has a ______.
a. ) 200 times higher H+ concentration
b. ) 100 times higher H+ concentration
c. ) 20 times higher H+ concentration
d. ) 20 times lower H+ concentration
e. ) 100 times lower H+ concentration
b.) 100 times higher H+ concentration
What name is given to the following reaction?
galactose + glucose → lactose + water
dehydration reaction
A glycerol with three fatty acids attached is referred to as a ______.
fat
Which kingdom of Eukarya consists primarily of unicellular organisms?
Protista
Beryllium’s atomic mass is 9 and its atomic number is 4. How many neutrons are found in a beryllium atom?
5
______ is a hydroxyl group.
a. ) —NH2
b. ) —SH
c. ) —OH
d. ) —H
e. ) COOH
c.) -OH
How does RNA differ from DNA?
RNA contains uracil; DNA contains thymine.
All atoms of an element have the same number of ______.
protons
“Male collared lizards show considerable color variation.” This is a(n) ______.
observation
A botonist focusses his/her efforts on?
the domain eukarya
Saturated fats are saturated with ______.
hydrogen
Which domain(s) consist(s) of prokaryotic cells?
Bacteria and Archaea