Practical 1 Review (Ex 1, 2, 3, 5, 7, 18)

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Scientific Method

  1. O_____________

  2. Q____________

  3. H_____________

  4. P____________

  5. E_____________

  6. A__________ R_______

  7. C_____________


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39 Terms

Scientific Method

  1. O_____________

  2. Q____________

  3. H_____________

  4. P____________

  5. E_____________

  6. A__________ R_______

  7. C_____________

observation question hypothesis prediction experiment analyze results conclusions

what are the 3 different types of variables?

independent dependent controlled

Metric System

_______(m) - length ______(L) - volume ______(g) - mass

meter liter gram

what are the two types of light microscopes?

dissecting and compound

what are the two types of electron microscopes? (TEM & SEM)

transmission and scanning

What are the features of a dissecting microscope? -S_____________ -b_________ v_______ -low m_____________, low r____________ -s______ or l______ specimens (2D or 3D) -specimen can be _____________ during viewing

stereoscopic binocular vision magnification resolution small large manipulated

What are the features of compound microscope? -m__________ or b__________ vision -high m______________, m___________ r___________ -t____ s________ of t________

monocular binocular magnification moderate resolution thin sections tissue

what are the features of electron microscopy? -H____ m______________, h_____ r____________ -Transmission Electron Microscope (TEM) __D sections -Scanning Electron Microscope (SEM) __D image

high magnification high resolution 2 3

Total Magnification = O________ x O___________

ocular objective

_____ of ______ (focal plane) - depth of layer in sharp focus. Lower objectives have greater depth

depth focus

______ of ______ - area visible through the ocular

field view

_____________ ________ (resolution) - ability to distinguish between 2 objects

resolving power

_________ ___________ - distance between of slide/specimen & tip of objective

working distance

Always carry the microscope with two hands 1 on the _____ and 1 underneath the _____

arm base

After using the microscope set the revolving nosepiece (_x) objective


Carbohydrates CHO (1:2:1) 1 sugar = m_____________ 2 sugars = d______________ many sugars = p_______________

monosaccharides disaccharides polysaccharides

____________ bonds join monosaccharides


carbohydrates store _________


the 3 monosaccharides are

  1. g_________

  2. f_________

  3. g____________

glucose fructose galactose

Which test tests for starches?

Lugol’s iodine

Which test tests for proteins?


Which test tests for lipids?

Sudan IV

Which test tests for carbohydrates

Benedict’s Reagent

Sucrose contains ____________ & _____________

Glucose fructose

Lactose contains ___________ & _____________

Galactose glucose

Maltose contains ______________ & ____________

Glucose glucose

Starch is found in ________


Glycogen is found in ____________


________ bonds join amino acids


If a substance contains starch, it will turn what 4 colors?

Green, yellow, orange, or red

If a substance contains proteins, it will turn what color?


Saturated lipids have ________ bonds


Unsaturated lipids have ________ bonds


_________ bonds join glycerol and fatty acids


What are the functions of proteins? T__________ S__________ E__________

Transport signaling enzymes

What are there functions of lipids? S__________ h__________ C______ M______________ I_____________ C_____ S______________

Steroid hormones cell membrane insulation cell signaling

Water movement against the cell wall is known as

Turgor pressure

A cell retains its shape in an isotonic solution because there is no _____ _____________ of water

Net movement

Match the following

___ Carbohydrates ___ Lipids ___ Proteins

A. C, H, O, N B. C, H, O (1:2:1) C. C, H, minimal O