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Test Format. 28 Multiple Choice Questions (1.5 points each) 3 Matching sections Memory Check Revisited (Combination of the two sides into 1, 18 questions each word used once) Phases of Mitosis (6 phases used once) Campaign Posters (24 cell types, each used once) 4 Short Answer Questions. - PowerPoint PPT Presentation
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Test Format
• 28 Multiple Choice Questions (1.5 points each)• 3 Matching sections– Memory Check Revisited (Combination of the two
sides into 1, 18 questions each word used once)– Phases of Mitosis (6 phases used once)– Campaign Posters (24 cell types, each used once)
• 4 Short Answer Questions
Unit 2 Review
Today’s Game is…
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1
• When analyzing a specimen under a microscope, why do we stain the specimen?
Answer: Most cell parts appear clear under the bright light of a microscope. Staining them gives them color and therefore makes it easier to see. BACK
2
• When a chromosome copies itself, the copy is referred to by this “relative” term.
Answer: sisterBACK
3
• This membrane junction are impermeable junctions that bind cells together into leakproof sheets?
Answer: tight junctions BACK
4
• This is a nonfunctioning unit in a cell.
Answer: inclusion.BACK
5
• This type of tissue is also known as fat, and it is essentially an areolar tissue in which fat cells predominate.
Answer: Adipose TissueBACK
6
• This is another name for a red blood cell.
Answer: erthrocyteBACK
BACK
7
• Describe what happens during diffusion.
Answer: Substances move from areas of high concentration to areas of low concentrations until eventually there is an equal concentration in all areas.
8
• When analyzing a specimen under a microscope, why must the sample be very thin?
Answer: This is to allow light to pass through the sample and to allow only one layer of cells to be observed at a time BACK
9
• In this phase, chromosomes appear as threadlike coils at the start, but each chromosome is copied by the end.
Answer: interphaseBACK
10
• This is the process in which a pressure gradient actually pushes a solute containing fluid from a higher pressure to a lower pressure.
Answer: filtrationBACK
11
• This refers to when a cell moves a large amount of substances out of the cell
Answer: exocytosisBACK
12
• What occurs if a solution is hypotonic and a cell was placed into it?
BACKAnswer: The cell would swell and possibly rupture
13
• This is the process during protein synthesis when the DNA is copied by RNA.
Answer: transcriptionBACK
14
• This type of tissue is made up of connective tissue sheets that attach to the body’s skeleton and help the body with movement.
Answer: skeletal muscleBACK
15
• This type of connective tissue forms the cushionlike disks between the vertebrae.
Answer: fibrocartilageBACK
16
• This attached skeletal muscles to bones.
Answer: tendonsBACK
17• This is also known as osseous tissue.
BACKAnswer: bone
18
• This word mean one layer of cells.
Answer: simpleBACK
19
• In this phase, centrioles appear and begin to move to opposite ends of the cell while spindle fibers forms between the poles.
Answer: prophaseBACK
20
• What is the relationship between a triplet and a codon?
Answer: A triplet is a three-base sequence on a DNA molecule. A codon is the corresponding three-base sequence on the mRNA moleculeExample: Triplet on DNA AAT-CGTCorresponding Codon on RNA UUA-GCA
BACK
21
• What type of cell is this?
Answer: macrophage BACK
22
• This broad type of tissue if used for support.
Answer: connectiveBACK
23
• This is a picture of this type of tissue
Answer: stratified squamous BACK
24
• In this phase, chromatids attach to the spindle fibers.
Answer: metaphaseBACK
25• Give two examples of tissues undergoing the aging
process and what happens to the tissue as it ages.
BACK
Answer: epithelial membranes lose their elasticity and began to sagWe begin to “dry out” as exocrine glands become less activeEndocrine glands produce less hormones so the body processes they control become less effectiveBones become porous and weakerMuscles begin to atrophy (deteriorate)
26
• This refers specifically to when liquid material is taken into the cell.
Answer: pinocytosisBACK
27
• This broad type of tissue is used for control.
BACKAnswer: nervous
28
• What is area O called
Answer: Mitochondria BACK
29
• What occurs if a solution is hypertonic and a cell was placed into it?
Answer: it would shrinkBACK
30
• This type of tissue help to insulate and protect the delicate neurons.
Answer: Supporting cells of the nervous tissue BACK
31
• In this phase, chromatids separate and begin to move to opposite ends of the cell.
Answer: anaphaseBACK
32
• What is inflammation and how does it help the healing process.
Answer: A swelling of a tissue. It is used by the body to keep the injured area from moving and thus prevents further damage BACK
33
• This is a fragile, transparent barrier that consists of two lipid layers arrange “tail to tail”
Answer: plasma membraneBACK
34
• small, dark-staining round body where ribosomes are assembled
Answer: nucleolusBACK
35
• This is what the fluid inside the cell is referred to.
Answer: intracellular fluidBACK
36
• These detoxify the cell of poisonous materials and deactivate free radicals using oxidase enzymes.
Answer: peroxisomesBACK
37
• This is a cell that gathers information and controls body functions.
BACKAnswer: nerve cells (nueron)
38
• In this phase, two nuclei form and the chromosomes appear as chromatin.
Answer: telephaseBACK
39
• This cell type covers and lines body organs.
Answer: epithelial cells BACK
40
• These are the “wires” that help to resist pulling forces on the cell.
Answer: intermediate filamentsBACK
41
• Why are stratified epithelial tissues better for protection purposes than simple epithelial tissues?
Answer: Stratified epithelial tissue has multiple layers of cells, which means there are more cells to absorb the damage BACK
42
• This is the female cell of reproduction.
Answer: oocyteBACK
43• Name this type of cell
BACKAnswer: Epithelial Cells
44
• This is a slick membrane that lines the ventral body cavity and covers the organs in the cavity.
BACKAnswer: serosae
45
• The lower surface of an epithelial tissue is known as this.
BACKAnswer: the basement membrane
46
• These are tiny fingerlike projections that greatly increase the surface area for faster absorption
Answer: microvilliBACK
47
• In this phase, cell membranes moves inward to create two daughter cells.
Answer: cytokinesisBACK
48
• This is labeled Q on the figure.
Answer: cytosol BACK
49
• This is the term used when a cell loses its ability to divide when it becomes fully mature.
Answer: amitotic BACK
50
• These are tiny, bilobed, dark bodies that are the protein making factories of the cell
Answer: ribosomes BACK
51
• This type of tissue is a cobwebby tissue that is the most widely distributed connective tissue that cushions the body organs.
BACKAnswer: areolar tissue
52
• This is the organelle located at letter F.
Answer: rough endoplasmic reticulum BACK
53
• This type of tissue travels throughout the body in a fluid matrix called plasma and has a variety of functions including transporting oxygen and carbon dioxide.
Answer: bloodBACK
54
• This is known as an abnormal mass of proliferating cells.
BACKAnswer: neoplasm
55
• This is the organelle located at letter H.
Answer: Golgi Apparatus BACK
56
• This is a sequence of three nucleotides forming a unit of genetic code in a transfer RNA molecule that corresponds to the complementary information on a messenger RNA.
Answer: anticodonBACK
