Unit 1 Body Systems Review
Authored by Laura Purcell
Science
9th Grade
NGSS covered
Used 2+ times
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18 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A scientist analyzes a newly discovered biological molecule and determines its building block (monomer) contains the elements Carbon (C), Hydrogen (H), Oxygen (O), and Nitrogen (N). Furthermore, this molecule's primary function involves catalyzing chemical reactions within the cell. If a slight change in environmental pH causes the molecule to lose its three-dimensional shape and function, which macromolecule is most likely being studied?
Carbohydrate
Lipid
Protein
Nucleic Acid
Tags
NGSS.HS-LS1-1
2.
MATCH QUESTION
2 mins • 1 pt
Match the following
Carbohydrates
A cell's protective outer barrier cannot be repaired because the main component, built from fatty acids and glycerol, is hydrophobic and fails to form a stable bilayer.
Protein
The body fails to correctly assemble amino acids into a long chain, leading to improperly folded enzymes that cannot break down food for the body.
Nucleic Acid
An organism is suddenly placed in a low-oxygen environment, forcing it to quickly access and break down its primary short-term energy reserve, which is composed of monosaccharides.
Lipid
A genetic disorder prevents the cell from properly using nucleotides to build a crucial molecule, halting the synthesis of all structural and functional components.
Tags
NGSS.HS-LS1-7
NGSS.HS-LS1-1
3.
DRAG AND DROP QUESTION
2 mins • 1 pt
A synthetic fuel that provides energy but lacks Nitrogen (N) and Phosphorus (P) would make it impossible or extremely difficult to construct two major classes of macromolecules: (a) and (b) . The first is affected because N is a defining element in its monomer, the (c) . The second is affected because P is a critical component of its monomer, the (d) , which is essential for the macromolecule's primary function of storing and transmitting (e) information.
4.
DRAG AND DROP QUESTION
2 mins • 1 pt
Both Carbohydrate and Lipids are used for energy storage and are composed of Carbon, Hydrogen
, and Oxygen (CHO). However, (a) are favored for quick, short-term energy because its monomers are easily accessible and broken down by enzymes, often having a C:H:O ratio of approximately 1:2:1. (b) are favored for long-term storage and forming the cell's (c) due to its structure, which includes long, non-polar hydrocarbon chains (fatty acids) with significantly less (d) atoms.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A student is running a marathon. Over time, their muscles are working hard and need a lot of energy. How do the circulatory and respiratory systems immediately work together to provide this energy and remove waste?
The circulatory system breaks down food in the stomach while the respiratory system slows breathing to save energy.
The respiratory system takes in more oxygen, which the circulatory system then quickly delivers to the muscles for energy production.
The circulatory system makes new blood cells, and the respiratory system uses the waste carbon dioxide to make oxygen.
The respiratory system sends signals to the brain to stop muscle movement, and the circulatory system rests.
Tags
NGSS.HS-LS1-7
NGSS.HS-LS2-3
6.
DROPDOWN QUESTION
1 min • 1 pt
Imagine you see a bear in the woods. Your (a) sends a signal, and your body enters "fight or flight" mode.
Tags
NGSS.MS-LS1-3
7.
DROPDOWN QUESTION
1 min • 1 pt
A doctor tells a patient that their low calcium levels are making their skeletal system weak. The doctor explains that a specific hormone must increase to fix this. This scenario shows that the (a) system uses chemical messengers to adjust the levels of materials needed by the (b) system.
Tags
NGSS.HS-LS1-3
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