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UNIT 1 BIOLOGY REVIEW
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25. Bacteria are organisms classified in the Moneran Kingdom. Using your knowledge of characteristics of life, provide at least three reasons why bacteria are considered to be living.
reproduces, made from cells, growth, responds to stimuli, etc..
24. Prokaryotic cells are generally much smaller than eukaryotic cells. Identify a structural difference between prokaryotic & eukaryotic cells that is directly related to their difference in size
nucleus, membrane bound organelles
23. A married couple brings in their 3 month old son to your office. The baby exhibits the following symptoms: small stature for age and severely underweight. A cell culture of the child shows there is extra waste products found in the
Lysosome
22. This organelle is a thick solution that fills each cell and is enclosed by the cell membrane. It is mainly composed of water, salts, and proteins. Sometimes called “jelly-like”.
 
cytoplasm
 
nucleolus
 
plasma membrane
 
chromatin
21.These structures are storage bubbles found in cells. They are found in both animal and plant cells but are much larger in plant cells. They have been known to store water, small bits of food or even small amounts of waste.
 
vacuoles
 
lysosomes
 
cytoplasm
 
peroxisomwa
20. This structure is generally a series of connected flattened sacs. It plays a central role in the synthesis and export of proteins or other macromolecules and is known for containing knobs all over them called ribosomes.
 
. Rough Endoplasmic Reticulum
 
Smooth Endoplasmic Reticulum
 
lysosomes
 
peroxisomes
17. Which cell would have a large amounts of Smooth ER?
 
liver cells
 
skin cells
 
eye cells
 
muscle cells
16. Since the digestion process occurs once food enters our mouth, which organelle in our cells would be the most plentiful to speed up the role?
 
ribosomes
 
cytoplasm
 
chromatin
 
Golgi bodies
15. Which organelles help provide the animal cell with energy through cellular respiration?
 
mitochondria
 
chlorophyll
 
chloroplast
 
rough endoplasmic reticulum
14. Plant cells use sunlight to make their own food. Which structure allows plant cells to perform this function?
 
Chloroplast
 
vacuole
 
nucleus
 
mitochondria
13. Organelle containing a large range of digestive enzymes used primarily for digestion and removal of excess or worn-out organelles, food particles, and engulfed viruses or bacteria
 
lysosome
 
cell wall
 
cell membrane
 
mitochondria
12. The Golgi Body is broken down during mitosis & then reformed. Which function would a cell be unable to perform during the time that its Golgi Body is not functioning?
 
Processing & packaging proteins for cellular export
 
Correcting errors in the process of building a new cell
 
Forming vesicles to import molecules into the cell
 
Copying genetic material to include in the new cell
11. The function of which organ is most like the cell walls of a plant?
 
skin
 
brain
 
liver
 
heart
10. Which of the following is NOT found in the nucleus?
 
Vacuole
 
DNA
 
nulceolus
 
chromatin
9. What type of cell is NOT an eukaryotic cell?
 
bacteria
 
protist
 
plant
 
animal
8. A scientist finds a cell that is very old and simple. The cell is probably a
 
prokaryotic
 
eukaryotic
 
plantcell
 
animal cell
7. Which of the following is not a difference between prokaryotic & Eukaryotic cells?
 
The age of the cell
 
the size of the cell
 
the complexity of the cell
 
having a nucleus
6. What are the two main categories of cells?
 
prokayrotic & eukaryotic
 
plant and animal
 
prokaryotic & plant
 
eukaryotic & animal
Which of the following types of cells utilize DNA as their genetic material but do not have their DNA encased within a nuclear envelope?
 
bacteria
 
fungi
 
animal
 
plant
4. Which of the following clues would tell you whether a cell is prokaryotic or eukaryotic?
 
whether or not the cell has membrane bound organelles
 
whether or not the cell contains DNA
 
the presence or absence of ribosomes
 
the presence or absence of a rigid cell wall
3. Homeostasis is the condition in which the body maintains:
 
A relatively stable internal environment, within limits
 
The lowest possible energy usage
 
A static state with no deviation from preset points
 
A changing state, within an unlimited range
2. Sweating is a form of homeostasis....
 
yes
 
no
1. When we are in homeostasis, we are....
 
healthy, in our normal state
 
not healthy, sick
 
dead or deceased
 
staying at home