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1. When a sharp pin gets stuck in your finger, your arm Living things re-
moves quickly away. This is an example of which char- spond to stimuli
acteristic of life?
2. Which is the lowest level of biological organization cell
that can be said to be "alive"?
3. A scientist hypothesizes that the temperature at the temperature
which an alligator's egg is incubated will determine
whether the alligator will be male or female. The de-
pendent variable is
4. All living things (i.e. grass, egrets, nutrias, shrimp, ecosystem
mold, bacteria...) in a marsh plus physical factors (i.e
soil, water, air ...) is an example of a(n)
5. Animals are made of a type of cell with a true nucleus Eukarya
and other membranous organelles. Animals are cate-
gorized in Domain
6. A clownfish' scientific name is Amphiprion ocellaris; species epithet
ocellaris is the
7. "All living organisms are composed of cells and all cell
new cells come from pre-existing cells." is a scientific
statement of the ______theory
8. Oxygen has an atomic number of 8. An oxygen atom 8, 8, 9
with an atomic mass of 17, has ________ protons,
__________ electrons, and _________ neutrons
9. The four most common elements in living things are Carbon, Hydro-
CHON which stands for gen, Oxygen, Ni-
trogen
10. Which of the following statements about water is Water has low
false? specific heat so
it takes very little
heat to change the
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temperature of wa-
ter.
11. In living things, pH is an important factor. Which of stomach fluid- pH
the following substances in our body has a strongly 2
acidic pH?
12. Carbon has four electrons to share in its outermost all are correct
electron shell. A carbon atom can form _______ with
other atoms.
13. Because glucose will dissolve in water, glucose is hydrophilic, solute
a_______ ______ in an aqueous solution.
14. Glucose, a ___________, may be joined together with monosaccharide,
other glucose molecules by a ___________ reaction dehydration
to make starch.
15. Identify the incorrect pairing of carbohydrate mole- Chitin: polysac-
cule and its function. charide that stores
energy in liver and
muscles of ani-
mals
16. Which of the following is not a function of lipids? enzymes to speed
up the rate of
chemical reactions
in cells
17. The figure below shows the sequence of amino acids No answer is pos-
in a protein. This is the _______ level of protein struc- sible
ture
18. A protein is made at a _______________ as part of the ribosome, rough
___________________and then the protein travels via endoplasmic retic-
a transport vesicle to the Golgi apparatus. ulum
19. What is the importance of the cristae ("folds") of the to increase the
inner membrane of a mitochondrion? surface area for
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