BIOL 1103 Lecture Notes - Lecture 1: High Fructose Corn Syrup, Covalent Bond, Ionic Bonding
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Movement of vesicles within the cell depends on what cellular structures?
centrioles and motor proteins |
microtubules and motor proteins |
actin filaments and motor proteins |
actin filaments and microtubules |
actin filaments and ribosomes |
Why is water considered a polar molecule?
The negatively charged oxygen atom attracts the positively charged hydrogen atoms. |
The oxygen is found between the two hydrogens. |
It remains liquid even at very low temperatures. |
Both hydrogens are at one end of the molecule, and oxygen is at the other end. |
Its electrons spend more time with its oxygen than with either hydrogen. |
Which of the following is a major difference between prokaryotic cells and eukaryotic cells?
Prokaryotes have cells while eukaryotes do not. |
Eukaryotic cells have more intracellular organelles than prokaryotes. |
Prokaryotes are generally larger than eukaryotes. |
Prokaryotes are not able to carry out aerobic respiration, relying instead on anaerobic metabolism. |
Which of the following is not a necessary component of life?
needs energy |
uses DNA for heredity |
breathes oxygen |
irritability |
depends on other living forms |
Lipids _____.
contain less energy than proteins and carbohydrates |
are made by dehydration reactions |
are insoluble in water |
contain sulfur polymers |
are made from glycerol, fatty acids, and nitrogen |
What is biology?
the study of life |
the study of genetics |
the study of biomes |
the study of the environment |
the naming and classifying of species |
_____ is an example of an element.
Methane |
Water |
Carbon |
Salt |
Glucose |
With what are saturated fats saturated?
carbon |
nitrogen |
hydrogen |
phosphorus |
oxygen |
Beryllium's atomic mass is 9, and its atomic number is 4. How many neutrons are found in a beryllium atom?
2 |
5 |
13 |
9 |
4 |
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Question 211 pts
Blood cells placed in pure water will burst because there is a net movement of water out of the cell.
True |
False |
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Question 221 pts
Photosynthesis takes place in tiny organelles within the cell known as mitochondria.
True |
False |
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Question 231 pts
The balanced chemical equation for cellular respiration is
C6H12O6 + 6O2 â 6CO2 + 6 H2O + 36 or 38 ATP
True |
False |
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Question 241 pts
A catalyst is anything that speeds up a chemical reaction.
True |
False |
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Question 251 pts
Kinetic energy is the energy an object possesses due to its motion.
True |
False |
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Question 261 pts
Changes in temperature and pH may speed up or slow down the activity of an enzyme.
True |
False |
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Question 271 pts
There are 20 different amino acids.
True |
False |
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Question 281 pts
The products of the light-dependent reactions of photosynthesis are oxygen, ATP, and NADPH.
True |
False |
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Question 291 pts
Which of the following is NOT a component of the Cell Theory?
Cells arise only by division of a previously existing cell. |
Cells are the smallest units of structure and function |
All organisms are composed of one or more cells. |
Cells can vary their shape and size to suit the environment for survival. |
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Question 301 pts
What is the name of the two subatomic particles that can be found in the nucleus of an atom?
neutrons and electrons |
protons and neutrons |
protons and electrons |
protons and morons |
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Question 311 pts
Atoms that have either a positive or negative charge are known as:
ions |
magnetic |
lacking nuclei |
electrically neutral |
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Question 321 pts
An atom with an unfilled outer energy level (electron shell) is likely to be:
inert |
unable to form bonds with other atoms |
reactive |
extremely stable |
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Question 331 pts
All living things are able to maintain stable internal conditions. This is known as
metabolism |
homeostasis |
heredity |
cellular organization |
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Question 341 pts
Which of the following is NOT considered to be one of the five basic properties shared among living organisms?
made of one or more cells |
grow and reproduce |
posses DNA |
need oxygen to survive |
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Question 351 pts
CFCs (Chlorofluorocarbons) in the stratosphere cause:
global warming due to increased CO2 |
increase ozone levels by converting O2 to O3 and decreasing UV passage to Earth. |
act as a catalyst to destroy ozone increasing UV passage to Earth. |
increased ice crystal formation that cools the earth. |
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Question 361 pts
The process by which traits are passed from parents to offspring is known as:
heredity |
homeostasis |
complexity |
movement |
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Question 371 pts
Alcoholic fermentation occurs in muscle cells of the human body.
True |
False |
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Question 381 pts
If carbon has 6 protons and 6 neutrons, how many electrons must it have to be electrically neutral?
3 |
36 |
6 |
12 |
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Question 391 pts
The loss of an electron is known as _______; the gain of an electron is known as ________.
reduction; oxidation |
transduction; adduction |
oxidation; reduction |
removal; addition |
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Question 401 pts
Kinetic energy is the stored energy that can be used for motion.
True |
alkalosis homeostasis cryogenesis |
carbohydrates lipids nucleic acids |
water is adhesive water istransparent water expands when itfreezes |
reaction initiation activation |
cytoplasm mitochondria nucleus |
oxygen and sugars proteins and sugars carbon dioxide andoxygen |
pigments, products products, reactants elements, atoms |
ATP starch glycogen |
fats steroids amino acids |
Kreb's cycle acetyl-CoAformation electron transportchain |
fermentation the Kreb cycle the electron transportchain |
Cool the reactants. Decrease the pH. Add an enzyme(catalyst). |
nucleus mitochondria a cell membrane |
cell walls chromosomes mitochondria |
osmosis active transport passive transport |
ribosome mitochondrion cytoskeleton |
diffusion active transport passive transport |
lipids proteins carbohydrates |
neither take up water orlose water take up water andswell transport water into thecell by active transport. |
lipid storage DNA replication photosynthesis |
chromosome movementduring mitosis protein synthesis ATP production |
metaphase anaphase telophase |
metaphase anaphase telophase |
metaphase anaphase telophase |
Synthesis phase (S) G1 cytokinesis |
4 daughter cells, 5chromosomes each 2 daughter cells, 10chromosomes each 2 daughter cells, 5chromosomes each |
10 20 Not enough informationprovided |
the number of chromosomesallotted to each daughter cell must be halved sister chromatids must beseparated into different daughter cells it produces new arrays ofalleles on chromosomes and contributes to genetic diversity |
are in Interphase are in metaphase are undergoingMeiosis |
twice as many chromosomesas the original cell an independent assortmentof the original cell's chromosomes an identical copy of theoriginal cell's chromosome. |
A-C-A-G-C-C-G-T-A T-G-T-C-G-G-C-A-T U-G-U-C-G-G-C-A-U |