The picture shows the transfer of a molecule across the cell membrane. Which mode of transport is shown in the image?
Responses
A DiffusionDiffusion
B Active transportActive transport
C Transport via pumpTransport via pump
D Facilitated diffusionFacilitated diffusion
D Facilitated diffusionFacilitated diffusion
The cell membrane forms a protective barrier between the external and internal environments. It is referred to as ___________________, because it allows some substances to cross more easily than others and blocks other substances from crossing into the cell.
Responses
A impermeableimpermeable
B a fluid mosaica fluid mosaic
C a plasma membrane plasma membrane
D selectively permeable
D selectively permeable
The powerhouse of the cell: that is a term used to describe the ______________, because it's main function is to produce energy for cellular activities.
Responses
A nucleusnucleus
B mitochondriamitochondria
C Golgi bodiesGolgi bodies
D endoplasmic reticulum
B mitochondria
The kidney filters blood to remove wastes, which are sent to the bladder to be eliminated from the body. A similar process happens on a smaller scale on a cellular level. Which organelles work together to perform similar functions to the kidney and bladder.
Responses
A the cytoplasm and the vacuolethe cytoplasm and the vacuole
B the lysosomes and the cell membranethe lysosomes and the cell membrane
C the mitochondria and the chloroplastthe mitochondria and the chloroplast
D the nucleus and the endoplasmic reticulum
A the cytoplasm and the vacuole
As a part of a class assignment, a student correctly drew a picture showing the active transport of molecules across a cell membrane. Which image has the student drawn?
Responses
A
B
C
D
Since I am unable to see the images, I cannot provide a response. Please provide a description or further details about the image.
A student is creating a model of a eukaryotic cell to demonstrate their understanding of the organelles and their functions. The student has a battery for a power source, a rigid poster board for support, a light bulb that can blink on and shine light, and a Ziplock bag filled with water. Which statements are most appropriate to evaluate the use of these materials in the student's model? Select ALL that apply.
Responses
A The battery can represent the mitochondria, which powers the cell's activities.The battery can represent the mitochondria, which powers the cell's activities.
B The Ziplock bag can represent the cell membrane, which is mostly a water-filled structure.The Ziplock bag can represent the cell membrane, which is mostly a water-filled structure.
C The light bulb can represent the chloroplast, which uses light energy to perform photosynthesis.The light bulb can represent the chloroplast, which uses light energy to perform photosynthesis.
D The rigid poster board can be the cell wall, since it can give structural support outside of the cell.The rigid poster board can be the cell wall, since it can give structural support outside of the cell.
E The light bulb can represent the nucleus, since the nucleus transfers all of the energy from one part of the cell to another.