Penn Foster Intro to Biology Final Exam 100% Correct Answers Verified Latest 2024 Version
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Penn Foster Intro to Biology Final Exam
| 100% Correct Answers | Verified |
Latest 2024 Version
Which of the following accurately describes the structure of an atom? - Protons an neutrons are in
the nucleus with the electrons orbiting around the nucleus
When two atoms transfer electrons, the b...
Penn Foster Intro to Biology Final Exam
| 100% Correct Answers | Verified |
Latest 2024 Version
Which of the following accurately describes the structure of an atom? - ✔✔Protons an neutrons are in
the nucleus with the electrons orbiting around the nucleus
When two atoms transfer electrons, the bond formed is called... - ✔✔An Ionic bond
Fats and steroids are examples of - ✔✔lipids
which macromolecule is responsible for carrying the genetic material in a cell? - ✔✔Nucleic acid
Jelly Like structure that helps hold all other cellular organelles in place within a cell. - ✔✔Cytoplasm.
Golgi apparatus - ✔✔Assists in the early stages of protein and lipid production
The movement of ions and other atomic or molecular substances across cell membranes without the
need for energy input is known as - ✔✔passive transport.
When two liquids have the same osmotic pressure they're said to be - ✔✔isotonic
When does facilitated diffusion occur> - ✔✔When certain large molecules can't move through the
membrane without the help of channel proteins.
A molecule will become an ion when which of the following happens? - ✔✔When it loses or gains an
electron.
The term voltage describes - ✔✔the electrical potential difference between two points.
, all of the following are an example of a specialized cell except:
neuron
muscle cell
blood cell
zygote - ✔✔Zygote
A group of organs working together to achieve a common function is known as a - ✔✔an organ system
Why is cell specialization so important? - ✔✔it allows multicellular organisms to perform many distinct
functions.
The shape of neurons allows them to do what more efficiently? - ✔✔Transmit messages from cell to cell
at high speed.
Thylakoids are disk-like structures found within chloroplasts. They are important because they contain -
✔✔chlorohyll
Changing the number of phosphate groups on a molecule of ATP causes - ✔✔significant energy release.
after photons strike the light absorbing pigment chlorophyll, with of the following occurs first? -
✔✔electrons in chlorophyll become excited. Electrons then begin getting transported into the electron
transport chain.
What is the primary reason that ATP is transformed into glucose during the light-independent phase of
photosynthesis - ✔✔glucose can store energy more efficiently than ATP
Fermentation is an example of which of the following pathways - ✔✔an anaerobic respiration
What is the final stage of cellular respiration - ✔✔the electron transport chain
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