1 of 181 of 18 Items
00:21
Question
What is the function of the organelle identified in the picture?
Responses
A movementmovement
B houses the cell's DNAhouses the cell's DNA
C houses the digestive enzymeshouses the digestive enzymes
D to move proteins through the cellto move proteins through the cell
B houses the cell's DNA
2 of 182 of 18 Items
00:42
Question
Proteins destined for extracellular release are packaged in specific vesicles. After packaging, the vesicles bud off and are stored in the cell until a signal is given for their release. When the appropriate signal is received they move towards the membrane and fuse to release their contents.
Once proteins have been produced at the ribosomes, what two organelles work together to aid in the secretion process described above?
Responses
A ribosome and ERribosome and ER
B Golgi apparatus and rough ERGolgi apparatus and rough ER
C Golgi apparatus and lysosomeGolgi apparatus and lysosome
D mitochondria and rough endoplasmic reticulummitochondria and rough endoplasmic reticulum
B Golgi apparatus and rough ER
3 of 183 of 18 Items
01:20
Question
Proteins are important biomolecules. Proteins are synthesized and often packaged for secretion into other cells within an organism. A variety of organelles play a role in producing, packaging, and moving proteins. Can you match the organelle with its function?
Put responses in the correct input to answer the question. Select a response, navigate to the desired input and insert the response. Responses can be selected and inserted using the space bar, enter key, left mouse button or touchpad. Responses can also be moved by dragging with a mouse.
Nucleus
Ribosome
Endoplasmic reticulum
Golgi apparatus
Vesicle
Responses
This organelle sorts and packages proteins.
Protein assembly is completed here and proteins are readied for transport.
Initial sequence of nitrogen bases that determine type of protein comes from this organelle.
This small package carries the protein to the cell membrane.
The site of protein synthesis.
Nucleus - Initial sequence of nitrogen bases that determine type of protein comes from this organelle.
Ribosome - The site of protein synthesis.
Endoplasmic reticulum - Protein assembly is completed here and proteins are readied for transport.
Golgi apparatus - This organelle sorts and packages proteins.
Vesicle - This small package carries the protein to the cell membrane.
A cell is a complex system. Like most systems, a cell contains a boundary that separates things that are inside the system from those that are outside of the system. Which part of the cell functions as a system boundary?
Responses
A cytoplasmcytoplasm
B membranemembrane
C nucleusnucleus
D ribosome
B membrane
Nutrients enter a cell ______ the concentration gradient by the process of _______.
Responses
A with; diffusionwith; diffusion
B against; osmosisagainst; osmosis
C against; diffusionagainst; diffusion
D with; endocytosis
A with; diffusion
Describe the movement of molecules in the illustration.
Responses
A Molecules are moving from a lower concentration to a higher concentration.Molecules are moving from a lower concentration to a higher concentration.
B Molecules are moving from a higher concentration to a lower concentration.Molecules are moving from a higher concentration to a lower concentration.
C Molecules are moving from a higher concentration to a lower concentration and then from a lower to higher concentration.Molecules are moving from a higher concentration to a lower concentration and then from a lower to higher concentration.
D Molecules are moving from a lower concentration to a higher concentration and then from a higher concentration to a lower concentration.
B Molecules are moving from a higher concentration to a lower concentration.
To study osmosis, a student placed a thin potato slice in a salt solution. The slice became soft and shriveled. Then, he placed the shriveled slice in water. The slice regained its original shape. Based on the observations, which of these statements is correct?
Responses
A The slice regained its shape because salt moved into the potato.The slice regained its shape because salt moved into the potato.
B The potato slice shriveled because water moved from the salt solution into the slice.The potato slice shriveled because water moved from the salt solution into the slice.
C The potato slice shriveled because water moved out of the slice into the salt solution.The potato slice shriveled because water moved out of the slice into the salt solution.
D The slice regained its shape because the concentration of salt inside and outside the slice became equal.The slice regained its shape because the concentration of salt inside and outside the slice became equal.
C The potato slice shriveled because water moved out of the slice into the salt solution.
Egg Osmosis
Solution (to remove shell) Egg mass (g) Initial Egg mass (g) after 24 hrs Student Observations
Vinegar (Egg 1) 45 85 Shell gone; egg seemed swollen and larger
Vinegar (Egg 2) 45 85 Shell gone; egg seemed swollen and larger
Vinegar (Egg 3) 45 85 Shell gone; egg seemed swollen and larger
Experimental Solution Egg mass (g) Initial Egg mass (g) after 24 hrs Student Observations
10% Salt Water Solution (Egg 1) 85 85 No change in egg appearance or size
Kayro Syrup (Egg 2) 85 31 Egg was wrinkled and shriveled; much smaller
Distilled Water (Egg 3) 85 105 Egg was larger in size; swollen and tight
Introduction: Students performed an experiment using eggs to observe the effect of osmosis on cells. The egg represented a typical cell. Before beginning the experiment, students soaked the raw eggs overnight in vinegar to remove the shells. What they had in hand, then, was actually a raw, shell-less egg.
Procedure: Day 1 – Students found the mass in grams of their shelled eggs, recording the mass in the data table. The eggs were placed in a beaker and covered with 200 mL vinegar to remove the shells.
Day 2 – The eggs were removed from the vinegar. Visual observations were recorded. The shell-less eggs were wiped dry, massed, and the mass was recorded in the data table. The eggs were placed in a clean beaker and covered with a 10% saltwater solution.
Day 3 – The eggs were removed from the saltwater and visual observations were made and recorded. The eggs were wiped dry , massed, and the mass was recorded. The eggs were placed in a clean beaker and covered with sugar (Kayro) syrup.
Day 4 – The eggs were removed from the syrup and visual observations were made and recorded. The eggs were carefully wiped with a damp cloth, massed, and the mass was recorded. The eggs were placed in a clean beaker and covered with colored (red, green, or blue) distilled water.
Day 5 – The eggs were removed from the water and visual observations were made and recorded. The eggs were dried, massed, and the mass was recorded. Students organized their data and made a bar graph comparing how the solutions affected their egg's (cell’s) mass. Data: One student group’s data is recorded here.
Based on the data in the table, the students can conclude that which substance is hypertonic?
Responses
A vinegarvinegar
B salt watersalt water
C Kayro syrupKayro syrup
D distilled waterdistilled water
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C Kayro syrup
Drag and drop each label to the correct area of the Venn diagram. Some or all areas of the diagram may contain more than one answer.
Compare and contract prokaryotic and eukaryotic cells using the Venn diagram below.
Venn Diagram
Prokaryotic, Both, Eukaryotic
responses
Ribosome nucleic acid simple 1-10 microns; smaller cell type Major organelles
The provided response options do not seem to fit the descriptions provided for the Venn diagram. Could you please provide the correct labels for each area of the diagram?
Reply to Bot GPT 3.5
Drag and drop each label to the correct area of the Venn diagram. Some or all areas of the diagram may contain more than one answer.
Compare and contract prokaryotic and eukaryotic cells using the Venn diagram below.
The Venn diagram has three sections.
ring 1 Prokaryotic ring 2 Both ring 3Eukaryotic
Responces below
1Ribosome
2 Nucleic Acid
3 Simple
4 1-10 microns; smaller cell type
5 major organelles
Apologies for the confusion. Here is the correct arrangement:
Ring 1 (Prokaryotic):
1. Ribosome
2. Nucleic Acid
3. Simple
4. 1-10 microns; smaller cell type
Ring 2 (Both):
2. Nucleic Acid
Ring 3 (Eukaryotic):
2. Nucleic Acid
5. Major organelles
Plant and animal cells differ in a variety of ways. Notice when you compare the model cells, plant cells contain chloroplasts and animal cells do not. What is the function of this organelle found in plant cells?
Responses
A It is the site of photosynthesis, where glucose is produced.It is the site of photosynthesis, where glucose is produced.
B It is the site of cellular respiration, where cellular energy is produced.It is the site of cellular respiration, where cellular energy is produced.
C It is the site of cellular digestion; glucose is broken down to produce energy.It is the site of cellular digestion; glucose is broken down to produce energy.
D It is the site of protein synthesis; amino acids are joined together to make proteins.It is the site of protein synthesis; amino acids are joined together to make proteins.
Question 2
Sometimes when plants are under water stress, they wilt. Animals do not wilt! Review the plant cell structure. What analogy based on the plant cell structure explains wilting?
Responses
A The chloroplast are like a factory. When the plant is water stressed, the chloroplast stops producing energy and the plant wilts.The chloroplast are like a factory. When the plant is water stressed, the chloroplast stops producing energy and the plant wilts.
B The cell wall is like a cardboard box. When the plant is water stressed, the cell wall folds, like someone crushing the cardboard box.The cell wall is like a cardboard box. When the plant is water stressed, the cell wall folds, like someone crushing the cardboard box.
C The large vacuole is like a water-filled balloon. When the plant is water stressed, the water leaves the vacuole and the cells shrinks.The large vacuole is like a water-filled balloon. When the plant is water stressed, the water leaves the vacuole and the cells shrinks.
D The plasma membrane is like the drain in your sink. When the plant is water stressed, the plasma membrane stops water from going into and out of the cell.The plasma membrane is like the drain in your sink. When the plant is water stressed, the plasma membrane stops water from going into and out of the cell.
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Function of chloroplasts in plant cells: A. It is the site of photosynthesis, where glucose is produced.
Analogy for wilting: C. The large vacuole is like a water-filled balloon. When the plant is water stressed, the water leaves the vacuole and the cells shrink.
11 of 1811 of 18 Items
09:51
Question
The picture shows the active transport of ions by the sodium-potassium pump.
How is diffusion different from this process?
Responses
A Diffusion takes place due to osmotic pressure.Diffusion takes place due to osmotic pressure.
B Diffusion requires cellular energy for the transfer of molecules.Diffusion requires cellular energy for the transfer of molecules.
C Diffusion requires protein channels as a passage-way for particles.Diffusion requires protein channels as a passage-way for particles.
D Diffusion transfers particles from an area of high to low concentration.Diffusion transfers particles from an area of high to low concentration.
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B Diffusion requires cellular energy for the transfer of molecules.
As the messenger RNA is translated by the ribosome, the growing polypeptide chain is inserted into the membrane of the _____________ before being sent to its final destination.
Responses
A cellcell
B ribosomeribosome
C rough ERrough ER
D mitochondria
C rough ER
13 of 1813 of 18 Items
10:40
Feature
Variety of Cells
Question 1
Which picture in the diagram would be classified as a prokaryote?
Responses
A AA
B BB
C CC
D DD
Question 2
What characteristic makes the answer for Question #1 a prokaryote?
Responses
A no membrane-bound organellesno membrane-bound organelles
B contains a cell (plasma) membranecontains a cell (plasma) membrane
C has a nucleus to hold the cell's DNAhas a nucleus to hold the cell's DNA
D has the ability to move by flagella or ciliahas the ability to move by flagella or cilia
Question 1: A AA (Picture A)
Question 2: A no membrane-bound organelles
14 of 1814 of 18 Items
11:10
Feature
Comparing Cell Types
Question 1
Review the image of the cell. What type of cell is this? Provide an explanation for your answer.
Responses
A It is a eukaryotic animal cell. It contains organelles excluding chloroplasts.It is a eukaryotic animal cell. It contains organelles excluding chloroplasts.
B It is a prokaryotic animal cell. It is rounded, has organelles and DNA in a nucleus.It is a prokaryotic animal cell. It is rounded, has organelles and DNA in a nucleus.
C It is a prokaryotic cell. It does not contain cellular organelles including a nucleus.It is a prokaryotic cell. It does not contain cellular organelles including a nucleus.
D It is a eukaryotic plant cell. it contains organelles and the shape indicates a plant cell.It is a eukaryotic plant cell. it contains organelles and the shape indicates a plant cell.
Question 2
Compare the image of the bacterial cell with that of the original cell image.
The arrow is pointing to what structure?
Responses
A ribosomeribosome
B centriolecentriole
C nucleic acidnucleic acid
D mitochondriamitochondria
Question 1: C It is a prokaryotic cell. It does not contain cellular organelles including a nucleus.
Question 2: A ribosome
Cells are able to remove large amounts of material using
Responses
A ectocytosis.ectocytosis.
B exocytosis.exocytosis.
C phagocytosis.phagocytosis.
D pinocytosis.
C phagocytosis.
Drag the item from the item bank to its corresponding match.
Put responses in the correct input to answer the question. Select a response, navigate to the desired input and insert the response. Responses can be selected and inserted using the space bar, enter key, left mouse button or touchpad. Responses can also be moved by dragging with a mouse.
When the concentration of solute and solvent are equal on both sides of the membrane.
A solution that causes a cell to shrink because of the high concentration of solute in the solution surrounding the cell.
A solution that causes a cell to swell because of osmosis.
Process requiring energy for the movement of particles across a cell membrane against the concentration gradient.
A non-energy requiring process that moves materials across a cell membrane with the concentration gradient.
The process when molecules tend to move from an area of high concentration to an area of low concentration.
The movement of water through a selectively permeable membrane from an area of high concentration to low concentration.
The substance that is being dissolved by a solvent.
The substance that dissolves the solute.
Responces
Diffusion
Solvent
Passive Transport
Osmosis
Active Transport
Solute
Isotonic
Hypotonic
Hypertonic
When the concentration of solute and solvent are equal on both sides of the membrane: Isotonic
A solution that causes a cell to shrink because of the high concentration of solute in the solution surrounding the cell: Hypertonic
A solution that causes a cell to swell because of osmosis: Hypotonic
Process requiring energy for the movement of particles across a cell membrane against the concentration gradient: Active Transport
A non-energy requiring process that moves materials across a cell membrane with the concentration gradient: Passive Transport
The process when molecules tend to move from an area of high concentration to an area of low concentration: Diffusion
The movement of water through a selectively permeable membrane from an area of high concentration to low concentration: Osmosis
The substance that is being dissolved by a solvent: Solute
The substance that dissolves the solute: Solvent
A cell with chloroplasts and a cell wall made of cellulose would likely belong to a(n)
Responses
A frog from Kingdom Animalia.frog from Kingdom Animalia.
B mushroom from Kingdom Fungi.mushroom from Kingdom Fungi.
C oak tree from Kingdom Plantae.oak tree from Kingdom Plantae.
D paramecium from Kingdom Protista.
C oak tree from Kingdom Plantae.
One of the differences between a plant and animal cell can be found surrounding the outer cell structure of the plant cell. It provides structure and support to the plant cell. What is this structure?
Responses
A cell wallcell wall
B cytoplasmcytoplasm
C chlorplastchlorplast
D mitochondria