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Biol 120 Exam
Terms in this set (43)
Amino acids are the subunits of which macromolecule?
Bears in Maryland over eat all autumn, in order to save energy for their winter hibernation period. Which macromolecule would they use to store their energy?
Nucleic acids provide instructions for the building of ... at the ribosomes.
Testosterone is an example of which type of macromolecule?
The cell membrane is composed primarily of ... and three types of proteins.
Which formula below represents the process of photosynthesis
H2O + CO2 ( + sunlight) → O2 + C6H12O6
The ultimate source of energy on Earth is:
Cells produced by mitosis:
Have the same number of chromosomes as the parent cell
Which organelle is the site of photosynthesis?
A man is jogging at the track. As he jogs, his body temp rises and his body begins to sweat heavily. The sweat evaporates from his body, taking some of the excess heat with it and reducing his body temp. this is an example of:
What is the smallest unit of life?
Which of the following organelles is found in plants, but not in animals?
You get a paper cut on your finger. As the wound clots and begins to heal, which process creates new cells to replace those that you damaged?
When a hydro reproduces, a bud is created on the side of the adult hydra. The bud grows in size and eventually drops off the adult to begin its independent life. The bud is identical in every way to the parents organism and has a copy of its parents DNA to use to build its own body. This is an example of:
Which of the following is correct?
Most of the energy will be lost as heat
Lianas are a type of climbing vine that grows around the branches and trunk of tall trees in the rainforest to get closer to the sun. They do not harm their host tree. What type of symbiosis is this an example of?
Clownfish have become immune to the sting of anemone. The anemone is able to get food particles from the fishs meal and cleans parasites off the fishs side, while the fish gets a home to live in. What type of symbiosis is this an example of?
When a tick feeds on your blood, it gets a meal and it could pass Lyme disease on to you. What type of symbiosis is this an example of?
When a spider captures a fly in its web and consumes it, it gets a good meal and the fly dies as a result. What type of symbiosis is this an example of?
In a food web, a snake would be called a:
Consumer and Heterotroph
If a scientist is studying how squirrels and chipmunks compete for food on campus, she is studying:
An eagle that feeds on a herbivorous mouse would be considered a:
A rabbit grazing on grasses would be considered:
Trees that obtain their energy from sunlight via the process of photosynthesis are:
A great white shark kills and eats a leopard seal. Leopard seals feed on other smaller seals like harp seals. Where does the great white fall in the trophic pyramid?
None of the above
A woman has a (beef) steak and a tossed salad for dinner. On which levels of the trophic pyramid is she functioning?
Secondary and Primary consumers
Which of the following is NOT a community?
all of the dandelions living on the glen
How do humans create a negative impact on the carbon cycle?
we burn fossil fuels
An r-selected species:
A K-selected species:
all of the above
New DNA molecules are made:
by combining old bases in new patterns
4 identical cells
In DNA, ... pairs with ...
Cytosine and Guanine
Condensed DNA forms:
What is the relationship between DNA and proteins?
proteins create the DNA we have in our cells
What is the function of a gamete?
to pair with a gamete of the opposing gender to create a zygote
A change in DNA structure is called a:
The allele that causes hemophilia is sex-linked. If a normal, homozygous dominant female produces children with a hemophiliac male, what percent of their children could be hemophiliacs?
Polar bears have a white coat that aids them in blending into the snow around them, allowing them to be more effective at hunting seals. This is an example of:
Which of the following is not considered to be evidence to support the theory of evolution?
none of the above
Which of the following concepts of natural selection are true according to the work of Charles Darwin?
physical characteristics are obtained during the course of an organism's life and are then passed onto offspring
The scientific name of the domestic dog is Canis familiaris. "Canis" is the organisms:
What are the parts of a virus?
This term refers to a system capable of continuing over long periods of time with little change. (a) community (b) ecosystem (c) sustainable (d) trophic
Why is it important that fertilization of the egg by more than one sperm (polyspermy) does not occur?
Your pulse results from the alternating relaxation and contraction of arteries as blood is forced through them. How many heartbeats do you count in one minute?
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