RIO BIO 156 MIDTERM EXAM WITH
CORRECT QUESTIONS WITH CORRECTRY
ANALYZED ANSWERS (ACTUAL EXAM)
ALREADY GRADED A+ LATEST 2024 – 2025
Which one of the following is not a function of membrane proteins? Membrane
proteins - ANSWERS-All of the choices are membrane protein functions.
Diffusion does not require the cell to expend ATP. Therefore, diffusion is
considered a type of - ANSWERS-passive transport.
If you were to transfer a saltwater, single-celled protist to fresh water, which of
the following is likely to happen? - ANSWERS-The cell will swell and burst
Osmosis can be defined as - ANSWERS-the diffusion of water across a membrane.
,What are the three domains which the kingdoms of life can be organized into? -
ANSWERS-Bacteria (prokaryotes), Archaea (prokaryotes), & Eukarya (eukaryotes).
Give some basic info on Bacteria and Archaea which are both prokaryotes: -
ANSWERS-Most prokaryotes are unicellular, and microscopic. They are the most
wide-spread of all living organisms.
Give some basic info on the domain Eukarya which is a eukaryote: - ANSWERS-
Eukayotic cells have a nucleus and other internal structures called organelles.
Name 7 features that distinguish living organisms from non living matter... -
ANSWERS-Order, regulation, growth & development, energy utilization, Response
to the environment, reproduction, and evolution.
What are the levels of organization in the living world? - ANSWERS-Biosphere,
Ecosystem, Community, Population, Organism, Organ System, Organ, Tissue, Cell,
Organell, Molecule, Atom.
What does the diversity of life mean in biology? - ANSWERS-It can be looked at as
a horizontal dimension, spanning across the great diversity of organisms existing
now, and over life's long history.
List and describe the steps involved in solving a problem using hypothesis based
science: - ANSWERS-1. State the Problem - A problem can't be solved if it isn't
understood.
, 2. Form a Hypothesis - This is a possible solution to the problem formed after
gathering information about the problem. The term "research" is properly applied
here.
3. Test the Hypothesis - An experiment is performed to determine if the
hypothesis solves the problem or not. Experiments are done to gather data. It is
very important that good observations and records are made during an
experiment.
4. Collect the Data - This is where you record your observations, measurements,
or information from experiment.
5. Analyze the Data - Just what does all that data indicate about answering the
problem you are solving?
6. Draw Conclusions - After examining the data from the experiment, conclusions
can be drawn. In it's simplest form, the conclusion will be "yes" the hypothesis
was correct, or "no" the hypothesis was not correct
List four kingdoms within the domain Eukaryotes. - ANSWERS-Animalia - Which
would consists of animals that are hetotrophs.
Plantae- Comprises plants. These guys are typically multicellular autotrophs.
Fungi - Heterotrophic saprovores; digestion is external; cells have cell walls made
from chitin.
Protista - This is a catch-all for the eukarya that didn't fit in the other kingdoms.
There are unicellular and multicellular forms. Some are autotrophs and some are
heterotrophs. Some have cell walls; some have pellicles; some don't.
What are the four chemical elements essential to life, that make up 96% of
matter. - ANSWERS-Hydrogen, oxygen, carbon and nitrogen.
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