Unit 2 Study Guide: Cell Parts & Functions, Cell Processes, & Human Body Systems

Question

19. List the seven characteristics of all living things (what is required to be considered living?).
a.
b.
c.
d.
e.
f.
g.
20. What process does the diagram to the right illustrate?
Explain your answer.
21. What cell structure controls the flow of the water and sucrose into and out of the cell?
22. If the diagram to the right represents a
cell, which shape will naturally want to move
out of the circle?
Explain your answer and the process involved.
23. Which process is shown in the diagram to the right

Answer 1

Here’s a concise study guide based on the topics mentioned:

19. Characteristics of All Living Things

a. Cellular Organization - Living things are made of cells (unicellular or multicellular). b. Metabolism - Living organisms undergo chemical processes to obtain energy and nutrients. c. Homeostasis - The ability to maintain stable internal conditions (temperature, pH, etc.). d. Growth and Development - Living things grow and develop according to specific instructions coded in their DNA. e. Reproduction - The ability to reproduce and pass genetic information to the next generation (sexually or asexually). f. Response to Stimuli - Living organisms can respond to environmental changes (light, temperature, etc.). g. Adaptation through Evolution - Living things evolve over generations through natural selection.

20. Process Illustrated in the Diagram

(Without the diagram, I cannot specify, but commonly referred processes include photosynthesis, cellular respiration, or cellular transport. Identify the process by looking for key indicators such as the presence of light, type of molecules involved (glucose, oxygen, etc.), or whether it's an exchange of substances across a membrane.)

21. Cell Structure Controlling Water and Sucrose Flow

The cell membrane (plasma membrane) controls the flow of water and sucrose in and out of the cell. It is selectively permeable, meaning it regulates the passage of substances based on size, charge, and solubility.

22. Shape Moving Out of the Circle

Without the diagram, the specific shape cannot be determined. However, if it represents a diffusion scenario, typically smaller molecules or solvent particles like water will naturally move out of the area of higher concentration to an area of lower concentration. This process is called diffusion, where substances move across a semi-permeable membrane down their concentration gradient.

23. Process Shown in the Diagram

(Again, without the diagram, I cannot accurately determine the specific process. Common processes that may be illustrated include osmosis, diffusion, or endocytosis/exocytosis. Analyze the diagram to identify signs like particle movement, presence of vesicles, or gradients to define the process.)

If you can provide specific details or descriptions for the diagrams referenced, I could offer more tailored answers!