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4. We do NOT _______ the dots. We draw a ________ line through the middle to show to show a trend.
straightconnect
5. In scientific writing short and concise sentences are used that are in the _____ form instead of language art type writing that would be considered _______writing style.passive
Active
9. Graphing data should fill most of the graph, how do you calculate the scale?
Divide the highest data result by the total number of lines
10. If the data table had the results of 37, 42, 25, & 7 and the graph had 50 lines, what would be the best scale?
(.84 and round up to next .5)= 1
17. What are the main characteristics of prokaryote cells?
-unicellar (bacteria)-composed of DNA, ribosomes, cytoplasm & cell membrane
-tiny for a cell
18. What are the main characteristics of eukaryote cells?
-multicellular or unicellular-composed of a cell membrane that bounds a nucleus and
organelles-Plants, protists, fungi, & animals
-larger cells
20. What happened in 1665?
Robert Hooke looked at slices of dead cork under a microscope and named the small units “cells”
21. What happened in 1674?
Anton van Leeuwenhoek “Father of Microbiology” looked at small living things in pond water under a microscope
25. What are the 3 things make up the cell theory?
1-All living things are composed of cells2-Cells are the basic structure and function in living
things3-New cells are produced from existing cells
26. What are the 8 characteristics of living things?
1-Made of cells2-Reproduce (sexually or asexually)3-universal genetic code (DNA & RNA)4-obtain & use materials and energy5-respond to their environment6-grow and develop7-maintain stable internal environment (homeostasis)8-As a group change over time (evolve)
31. What are the advantages and disadvantages of electron microscopes?
2 major advantages-2 major disadvantages-
Great resolution and magnification specimen must be dead & expensive
32. What are the advantages and disadvantages of compound light microscopes?
2 major advantages-
2 major disadvantages-
Inexpensive and specimens can be alivepoor resolution and magnification
35. What is the total magnification when using the 3 different objective lenses? Show your work
4X10=40X 10 X 10= 100X 40 X 10 = 400X
37. How do you add more water or stain to a
completed wet mount slide?
• Put a drop on side of slip cover—DO NOT LIFT COVERSLIP!
38. When staining, you add the_________ to one side of the slip cover and draw it across the specimen by putting __________on the other side of the slip cover.
stain
paper towel