BIOLOGYQuarter 1 Do Nows

and Exit Passes

Do Now 2***PLACE your TOP 10 Moments and SIGNED Papers (syllabus,

lab safety, parent letter) in the file folder UNDER the first letter of your LAST NAME

1. Explain the consequences, in order, if a students chooses to break a rule.

2. Define plagiarism and give three different examples.3. List and briefly describe the class rules in your OWN words.4. Describe what you would do in the following scenarios (explain

why):a) You are working in the lab and you notice the teacher has her hand in the air.b) You were absent last class and you need to know what the assignments

were.c) The teacher is giving notes and the bell rings.

5. Describe the hall pass policy.6. Study for class procedures, expectations and safety quiz.

Exit Pass 2 Biology

1. Explain how a fire may seem like a living organism (what characteristics of a living organism does it possess).

2. Explain why a fire is NOT a living thing (what specific characteristics is it lacking).

Biology Do Now 3Have out materials (stapler, colored pencils, composition book, do now

notebook and notes notebook) for supply checkAny signed documents you forgot last class have out as well!1. Explain what is meant by the term “differentiation”. Provide a specific

example.2. Explain how a car is similar to humans.3. Compare and contrast prokaryotic cells and eukaryotic cells (use a Venn

Diagram or Column Chart).4. Define homeostasis and provide an example.5. List and describe at least 3 fields/branches of biology.

Biology Exit Pass 3

1) Compare and contrast the fungi and plant kingdom.

2) Explain how classifying cars is similar to classifying living organisms. Provide a specific exampl.

Biology Do Now 41) List and describe the 3 main domains of life.2) Compare and contrast domain and species. Provide

specific example.3) Name the level AND branch of biology each scientist is

studying (briefly explain why):a. A scientist studying how the pH levels of lake affect the growth of algae in a lake.b. A scientist studying the composition of nectar of a hibiscus flower that grows in the canopy of a

rainforest.c. A scientist studying how a species of bats living in south African caves behave with each other.d. A scientist studying the bone structure of the orca whale.

4) Explain the evolutionarily significance of sexual reproduction vs. asexual reproduction.

5) Define natural selection and provide an example.

Biology Do Now 5 1. Compare and contrast Bacteria and Protista. (USE columns)2. Differentiate between qualitative observations and quantitative observations.

Provide an example of each.3. Explain why a hypothesis is really NOT just an educated guess.For the next two questions, answer the following:a. Problem statement (PS)b. Independent Variable (IV) c. Dependent Variable (DV) d. Constant Variable (CV) at least 3 e. Control group/control (CG)

4. John wants to see if adding fertilizer to his basil will make the plant grow fuller (more leaves).

5. Sarah wants to see if the watching TV for different amounts of time affect her ability to retain facts (such as important terms for her upcoming biology test).

Exit Pass 4/5 Biology

• In a paragraph, explain the importance of following the scientific method. Include the significance of peer review. Explain consequences of not following the scientific method.

Biology Do Now 6

1. Differentiate between accuracy and precision. Draw an example (using a dart board) of the following:

a) Precise but not accurateb) Accurate but not precisec) Accurate and precise

2. Explain why scientists use line graphs to represent data from an experiment.

3. Compare and contrast scientific theories and scientific laws.

4. Write a PS, IV, DV, CV, CON, HYP, and a sample graph from the following experiments:

a) An experiment that tests how quickly different temperatures will dissolve sugar cubes.

b) An experiment that explores how different colors of light impact plant growth.

Biology Exit Pass 6

1. List the 4 major base units we will be using in this class and what tools we will use to measure the.

2. Explain how a thermometer works, be specific.

3. Define MATTER.4. Explain how weight is not the same as mass.

Provide an example.

Biology Do Now 71. Explain why the SI measurement system is important.2. Differentiate between derived units and base units.3. You have a weird shaped rock and you want to determine if it is quartz. Quartz

has a density of 2.65 g/mL (2.65 g/cm3). You put the rock on a scale and determine its mass to be 55g. Before using water displacement, what would you predict the volume of the rock to be in order for your rock to be quartz? Be sure to show all work. Include how much the water level would change in a graduated cylinder that has 30 mL of water in it.

4. You conduct the experiment above 3 times. What would your volume for each of the trials be if your experiment was PRECISE but NOT Accurate.

5. Rebecca sets up an experiment to test a hypothesis. She plants three seedlings of the same size and species in three identical pots. She adds the same amount of water to each one. She positions one pot in the closet, one on the living room table, and one on the window sill. She uses an extraction method using ethanol to determine the amount of starch as a percentage of leaf tissue in each plant. Identify each of the following for the above experiment:

a) PS, IV, DV, CON, CVS, and include a correctly labeled sample graph showing data she might collect.

Do NOT write out question #3 or #5 Show ALL work!

Study for SCI. METH. QUIZ!

Biology Exit Pass 6/7 (Show ALL work)1. Write 124 in scientific notation2. Convert 0.000 000 005 78 to scientific notation3. Write in decimal notation: 3.6 × 1012 4. Convert 4.2 × 10–7 to decimal notation5. How many Kelvins is 10oC?6. How many degrees Celsius is 173 Kelvins? 7. Convert 803cm into kilometers (kM). (put in correct

scientific notation)8. Convert 55mL into Hectoliters. (put in correct scientific

notation)9. You want to know the density of a rock that weighs 6.5 g.

You place it in a graduated cylinder with 32 mL of water. The water level rises to 48 mL. What is the density of the rock. Include a diagram showing your work.

Biology Do Now #8

1. Explain why we use scientific notation in biology. 2. You have an irregularly shaped metal and you want to determine if it is silver. Silver

has a density of 10.49 g/mL (10.49 g/cm3). You put the piece of metal on a scale and determine its mass to be 28g. Before using water displacement, what would you predict the volume of the rock to be in order for your rock to be silver? Be sure to show all work. Include how much the water level would change in a graduated cylinder that has 12 mL of water in it.

3. You conduct the experiment above 3 times. What would your volume for each of the trials be if your experiment was PRECISE AND ACCURATE.

Get your lab notebooks from the shelf. Leave the first page blank for Title of Lab, Problem Statement, and Hypothesis. On the second page, Write the heading

BACKGROUND. – On this page begin to summarize your notes on density and how to calculate density– Include information on measuring liquids in a graduate cylinder– Include information (Atomic # and atomic mass and chemical symbol) on the following

metals (from your periodic table seating chart I gave you on day 1 of class) • Gold • Titanium• Lead• Silver• Aluminum • Copper• Tin

Biology Exit Pass 8

1. Differentiate between atom, matter, element and compound.

Biology Do Now #91. Define matter.2. Describe the structure of an atom.3. Differentiate between an element and a compound.4. Differentiate between an ion and an isotope.5. Explain what happens if you change the number of

protons in an atom.6. Complete the PS, HYP, IV, DV, CVS, CON and a sample

graph for the experiment below:– You noticed that paper airplanes made with different

materials fly different.

1. GOLD2.POTASSIUM3.XENON4. GERMANIUM5. TUNGSTEN

For each of the following, determine:a. Atomic Numberb. Mass Numberc. Number of Protonsd. Number of Electronse. Number of neutrons

Exit Pass

Biology Do Now #101) Describe the various information you can gain about

an element by just reading the periodic table.2) Differentiate between a physical change and a

chemical change. Provide an example of each.3) Define valence electrons and explain what these can

tell us about an atom. 4) Differentiate between reactants and products in a

chemical equation (reaction). Explain how this relates to the law of conservation of matter.

Exit Pass

• Compare and contrast ionic and covalent bonds. Provide an example of a covalent compound and an ionic compound.

Biology Do Now #11

1. Define “polar” molecule and explain why water fits in this category. Include a detailed diagram.

2. Distinguish between single, double, and triple covalent bonds.

3. Element X has 8 electrons in the highest energy level/ring of its atoms. Is element X likely to be reactive? Explain your answer.

4. (Do not write question) Beginning with the neutral atoms on the periodic table, show how potassium fluoride would be formed. Use atomic diagrams, chemical symbols, ions, arrows to show movement of electrons and provide a detailed explanation to accompany your picture.

Exit Pass 111. Define diatomic molecule. List each one and explain

their significance.2. Element X is made up of four isotopes: X-53, X-

54, X- 61 and X-57. If the hypothetical atomic number of element X was 26, make a table listing the mass number and how many protons, electrons, and neutrons are in each isotope. When complete, calculate the average atomic mass of element X (assume each isotope is found in equal amounts in nature).

Chemistry review

• Read p. 34-38• Answer #1-5 on page 38 on a separate sheet

of notebook paper• Complete Sentence answers

Bio Do Now 121. Explain why radiation can be detrimental

to cells. Be specific.2. Describe how radioactive isotopes can

be useful. Provide specific examples.3. Explain what happens to an atom when

you do the following: change the proton number, change the neutron number and change the electron number.

Exit Pass 12

1. Differentiate between the different types of mixtures. Provide an example of each.

2. Explain why water is the universal solvent.3. Draw a water molecule and show why it is

polar.

Biology Do Now 131. Compare the structure of Uranium and Fluorine. Explain which on

is radioactive and explain why.2. Differentiate between a solution and a suspension. Provide an

example of each.3. Define hydration shell and explain what property of water this

relates to.4. Diagram a droplet of water using 10 water molecules. Use H for

hydrogen and O for oxygen. Show any slight charges on atoms. Show hydrogen bonds between ALL the molecules.

5. Name and briefly describe the domain of life. Include the major kingdoms in each domain.

Exit Pass 13

1. List and briefly describe the 4 most important properties of water. Include how/why polarity of water enables these properties.

2. Differentiate between hydrogen bonds, ionic bonds, and covalent bonds.

Do Now 141. Explain how water in the soil makes its way to the top of a

tree. Use the vocabulary words cohesion, adhesion, hydrogen bonding, capillary action, transpiration, and polarity in your explanation. Include a labeled diagram as well.

2. Provide an explanation as to why the desert is cold at night and hot during the day.

3. Explain how an insect is able to stand and/or walk across water.

4. Draw the Lewis Dot Diagram of carbon. Describe its structure and explain what type of bonds it is likely to form and why.

EXIT Pass 14

• Analyze the statement, “It’s not the heat, it’s the humidity”. Explain exactly what is meant by this statement.

Biology Do Now #151. Explain what is meant by “dissociation” of water.2. Compare and contrast acids and bases.3. Explain why strong acids and strong bases are dangerous. 4. Draw the pH scale, labeling the values 0-14, labeling where is

highly acidic, highly basic and neutral. Provide examples along the entire pH gradient.

5. Explain how an acid can negatively effect the environment.

6. Define a buffer and describe its role in biological systems.***Do NOT write #4

Exit Pass 14-15

1) Define functional group and provide three examples.

2) Differentiate between hydrophobic and hydrophilic

Biology Do Now #16 1. Define polymerization.2. Compare and contrast dehydration and hydrolysis reactions.3. **Explain why you feel sleepy during the last class of the day (after having a big

pasta lunch) and how you can avoid this feeling. Use the following words correctly in your explanation: polysaccaharide, monosaccaride, glucose, Cellular respiration, energy, ATP, hydrolysis, startch

4. Is the following reaction an example of dehydration synthesis or hydrolysis ? How do you know ?

C12H22O11 + H2O ---> C6H12O6 + C6H12O6

5.

***Do not

write this question

out

Exit Pass 14-15-16

1) Define functional group and provide three examples.

2) Differentiate between hydrophobic and hydrophilic

Biology Do Now #17

1. List and describe the different types of polysaccharides and their functions.

2. Explain why glycogen and starch are polymers and lipids are not.

3. Create a chart/diagram showing the “fates” of glucose in:

a) Animalsb) Plants

4. Explain why we can get immediate energy from disaccharides and monosaccharaides but not polysaccharides.

Exit Pass 14-15-16-17

Exit Pass 14-15-161) Define functional group and provide three

examples.2) Differentiate between hydrophobic and hydrophilicExit Pass 171. Explain why fats and lipids are beneficial to

organisms and explain how fats can be detrimental (dangerous) to living organisms.

2. Compare and contrast lipids and carbohydrates.

Biology Do Now 181. Compare and contrast (using 3 column chart) Phospholipids

and Triglycerides.2. Compare and contrast (using 3 column chart) polysaccharides

and triglycerides.3. Explain why cholesterol is not ALWAYS bad.4. Analyze and explain why the following statement is

inaccurate:– Fats are bad for people.

5. Describe the “predictable” behavior of a hydroxyl group (-OH).6. Differentiate between saturated fats and unsaturated fats.

Exit Pass 18

1. Analyze and explain why the following statement is inaccurate:

– Proteins are only important in body builders and people who work out.

2. List and describe the four structures of proteins.

Biology Do Now #191. Name, diagram and describe the four major

structural levels of proteins. Be sure to include what interactions cause this specific structure.

2. Explain why a polypeptide chain is not considered a functioning protein.

3. Provide you own explanation describing the role of ribosomes in cells.

4. Define denaturation. Provide an example.5. Define enzyme.

Exit Pass 19

1. Determine the strand of DNA, the strand of mRNA and the polypeptide chain (using the amino acid chart up front) for the following one strand of DNA: ATGGATTACAATTAG

Do Now 201. List and briefly describe factors that can effect the activity of

enzymes.2. Differentiate between non-competitive and competitive

inhibition. Include a labeled diagram.3. Compare and contrast exothermic and endothermic reactions.

Include a labeled graph of each. Provide a biological example of each, be sure to explain your choice.

4. Diagram the “lock-and-key” model and explain why it is used to describe enzymatic action.

5. Compare and contrast DNA and RNA. (use 3 column chart)6. Diagram and label a nucleotide.

Do Now 211. Explain what is meant by the phrase “central dogma of

biology” Include a diagram.2. Someone is declaring that proteins are the #1 most

important macromolecule. You think DNA is the #1 most important molecule. In a paragraph, explain your argument.

3. Explain why someone might say protein in the #1 macromolecule.

4. Compare and contrast (in a column chart) the following:• Lipids and polysaccharides• Codon and Anticodon

5. Name and briefly describe the 6 major kingdoms of life.6. Differentiate between the control group of an experiment

and the experimental group. 7. Define peer review and explain why it is important in

scientific research. 8. Explain what a cladogram is used for. See image to the

right.