Exam Review Guide

Lab safety: At the end of the lab you see some leftover chemical that looks just like the stuff you were using. You should

Ask the teacher how to dispose of it properly

Lab safety: Goggles are worn during science experiments

Anytime chemicals, heat or glassware are used

Themes: Biological systems

Arrangement and interactions of its parts in living systems

Themes: Scientific inquiry

Asking questions and using observations to better understand science

Themes: Biology and society

Biology changes humans everyday lives

Lab safety: You should tie back long hairs when

Both a and b

Lab safety: You should be sure equipment is clean:

Both and a and c

Cellular respiration: Equation for cellular respiration

C6H12O6 + 6O2 ---> 6CO2 + 6H2O + energy

Organic molecules: A monosaccharide is a

Carbohydrate

Organic molecules: Life's organic molecules

Carbohydrates

Organic molecules: Polysaccharides are

Carbohydrates

Cell structure and function: All cells contain

Cell membrane, cytoplasm, DNA

Microscope use: _____________ moves the stage up and down to focus the image

Coarse adjustment

Cell structure and function: Plasma membrane

Contains enzymes to destroy unwanted material

Lab safety: Disturbing other students in the laboratory with horseplay in the lab is:

Dangerous

Microscope use: On a microscope, the ___________ increases/decreases light entering the microscope.

Diaphragm

Cell structure and function: Cells are specialized according to the tissue they make up by

Differentiation

Lab safety: Helping to clean up the lab or classroom is the job of

Everyone

Cell membrane and transport: Molecules move through carrier proteins across the cell membrane

Facilitated diffusion

Water properties: Buffers are substances that cause a solution to change its pH

False

Water properties: Ice floats on water because

It's molecules are less densely packed than those in liquid water

Cellular respiration: The starting molecule for the Krebs cycle is

Pyruvic acid

Lab safety: If you are not sure what to do during a lab activity:

Read the directions

Photosynthesis: When light strikes an object, the light may be

Reflected or absorbed

Lab safety: The most important thing in laboratory experiments is

Safety

Graphing: Number and label each axis

This tells what data the lines on your graph represent

Photosynthesis: Carbon dioxide in the atmosphere traps heat from the sun that would otherwise escape from Earth

True

Water properties: Low density of ice is a result of the hydrogen bonds formed in water.

True

Water properties: A solution is a

Uniform mixture of two or more substances

Cell structure and function: Which of the following is NOT a principle of the cell theory

Very few cells reproduce

Organic molecules: In a dehydration reaction, two molecules become linked together and a molecule of ______ is released

Water

Graphing: Title the graph

Your title should clearly tell what the graph is about; If your graph has more than one set of data, provide a "key" to identify the different lines

Organic molecules: All organic compounds contain the element

(C) carbon

Cellular respiration: Total ATP produced

38ATP produced

Photosynthesis: Reactants of Photosynthesis

6CO2+6H2O+sunlight

Themes: Adaptation and evolution

Ability to survive and reproduce within an environment

Organic molecules: Which of the following is NOT a function of proteins

Act as a main fuel for cells

Cell membrane and transport: Uses energy

Active transport

Lab safety: Which of the following is NOT a safe lab practice?

After removing glassware from a heat source touch it right away to see if it is cool

Cellular respiration: All of the following are sources of energy for humans during exercise EXCEPT

Alcoholic fermentation

Cellular respiration: The air bubbles and spongy texture of bread are due to which process?

Alcoholic fermentation

Water properties: A solution with a pH of 11 is

Alkaline/base

Themes: Cellular basis for life

All living things are made up of cells

Cell membrane and transport: Diffusion is the net movement of molecules from

An area of high concentration to an area of low concentration

Organic molecules: When bonded together, amino acids form

Fats

Microscope use: On a microscope, the _____________ moves the stage to sharpen the image

Fine adjustment

Photosynthesis: Products of Photosynthesis

Glucose+Oxygen

Cellular respiration: Which of the following is the correct sequence of events in cellular respiration?

Glycolysis -> Krebs cycle -> electron transport

Themes: Regulation

Homeostasis - keeping the internal environment in balance

Themes: Form and function

How something works is related to how it is made up

Graphing: Identifying the variables

Independent and Dependent

Organic molecules: Non-carbon-based molecules such as water, oxygen, and ammonia are classified as ________ molecules

Inorganic

Photosynthesis: Chlorophyll is green because

It reflects green wavelengths of light

Themes: Energy and life

Life depends on a continuous supply of energy from the sun

Microscope use: ___________ projects the light through the diaphragm, the specimen and the lenses.

Light source

Organic molecules: Life's organic molecules

Lipids

Organic molecules: What are the four groups of life's organic molecules

Lipids, nucleic acids, carbohydrates, proteins

Organic molecules: The reaction that adds a monomer to a chain is called a

Monomer reaction

Lab safety: I can eat in the lab

Never

Organic molecules: Life's organic molecules

Nucleic acids

Microscope use: The ____________ magnifies the image 10X-40X

Objective lenses

Microscope use: You look through the ___________ to see the image

Ocular lens

Themes: Interactions with the environment

Organisms can interact with their environment

Themes: Reproduction and inheritance

Organisms make more of their own kind through inheritable information

Cell membrane and transport: The passive transport of water across a selectively permeable membrane is called

Osmosis

Organic molecules: The most common elements in most living things are

Oxygen, carbon, hydrogen, and nitrogen

Cell structure and function: Put in order the cells largest to smallest

Plant cell, animal cell, bacteria

Graphing: Plot the data points

Plot each data value on the graph with a dot; You can put the data number by the dot, if it does not clutter your graph

Organic molecules: Life's organic molecules

Proteins

Water properties: A covalent bond is formed as a result of

Sharing electrons

Water properties: In a water molecule, shared electrons spend more time around the oxygen atom than the hydrogen atoms. As a result, The oxygen atom is

Slightly negative

Graphing: Determine the scale of the graph

Spread the graph to take up 3/4 of the available space; determine a scale that best fits the range of each variable

Microscope use: On a microscope, the slide is placed in the _______.

Stage

Graphing: Determine the variable range

Subtract the lowest data value from the highest data value; do each variable separately

Photosynthesis: Where does the Calvin cycle take place?

The stroma inside the chloroplast

Photosynthesis: Based on the cycle of photosynthesis, one can say that the ultimate original source of energy for all living things on Earth is

The sun

Photosynthesis: Where do the light reactions take place?

The thylakoid membrane inside the chloroplast