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MIDTERM REVIEWMIDTERM REVIEW

A scientist was trying to see if the amount of water a plant gets affects plant growth. She collected 10 identical plants and gave them different amounts of water. She measured their growth daily. The plants received the same amount of sunlight.

1. manipulated (independent) variable?1. manipulated (independent) variable?

2. responding (dependent) variable?2. responding (dependent) variable?


A scientist was trying to see if the amount of water a plant gets affects plant growth. She collected 10 identical plants and gave them different amounts of water. She measured their growth daily. The plants received the same amount of sunlight. 1.1. manipulated (independent) variable?manipulated (independent) variable?

amount of water plant getsamount of water plant gets

2. responding (dependent) variable?2. responding (dependent) variable?

plant growthplant growth


This is a possible explanation for a set This is a possible explanation for a set of observations or answers to a of observations or answers to a scientific question (an educated scientific question (an educated guess). guess).

Answer: hypothesisAnswer: hypothesis


This is how many kilometers (km) This is how many kilometers (km) 660000.0 centimeters (cm) equals. 660000.0 centimeters (cm) equals.

Answer: Answer: 6.6 km6.6 km


This is the number of kilograms (kg) a This is the number of kilograms (kg) a person is if they weigh 242 pounds (lb). person is if they weigh 242 pounds (lb).

1kg = 2.2 lb1kg = 2.2 lb

Answer: 110.0 kgAnswer: 110.0 kg


What type of microscope is shown in the image to the right? It’s the type of microscope you would use to observe a living cell.

Answer: Compound Light MicroscopeAnswer: Compound Light Microscope

01.


moves the body tube up & down up & down for focusing

Answer: course adjustmentAnswer: course adjustment

01.

01.


regulates the amount of light entering the body tube

Answer: diaphragmAnswer: diaphragm

01.

01.


This is the point beyond which a This is the point beyond which a microscope image becomes blurred microscope image becomes blurred and detail is lost. and detail is lost.

Answer: limit of resolutionAnswer: limit of resolution


This is the study of life.This is the study of life.

Answer: biologyAnswer: biology


These are the 5 characteristics of life.These are the 5 characteristics of life.

Answer: composed of cells, reproduce, Answer: composed of cells, reproduce, growth & development, use & obtain growth & development, use & obtain energy, respond to stimulienergy, respond to stimuli


This is an organisms ability to This is an organisms ability to maintain stable conditions necessary maintain stable conditions necessary to life.to life.

Answer: homeostasisAnswer: homeostasis


Water (HWater (H22O) is considered a _____ O) is considered a _____ molecule because, due to the uneven molecule because, due to the uneven distribution of electrons, it is mostly distribution of electrons, it is mostly positively charged on one end (near positively charged on one end (near the hydrogen atoms) and negatively the hydrogen atoms) and negatively charged on the other (near the oxygen charged on the other (near the oxygen atom).atom).

Answer: polarAnswer: polar


What type of change occurs when What type of change occurs when liquid water (Hliquid water (H22O) freezes; Is a phase O) freezes; Is a phase change a chemical or a physical change a chemical or a physical change?change?

Answer: physical changeAnswer: physical change


This is why a sodium atom (Na) This is why a sodium atom (Na) becomes a sodium ion (Nabecomes a sodium ion (Na++).).

Answer: it loses an electronAnswer: it loses an electron


This type of bond is formed when This type of bond is formed when electrons are shared. Its the bond that electrons are shared. Its the bond that forms between nonmetals (i.e. holds forms between nonmetals (i.e. holds together Htogether H22O & COO & CO22))

Answer: covalent bondAnswer: covalent bond


This is what forms during a This is what forms during a neutralization reaction where a strong neutralization reaction where a strong acid (H+ ion) is mixed with a strong acid (H+ ion) is mixed with a strong base (OH- ion). base (OH- ion).

Answer: water (HAnswer: water (H22O)O)


When placed in a solution, what do When placed in a solution, what do acids release?acids release?

Answer: hydrogen ions (HAnswer: hydrogen ions (H++))


salt water solutionsalt water solution

1. homogenous or heterogeneous?1. homogenous or heterogeneous?

2. water: solvent or solute?2. water: solvent or solute?

Answer: 1. homogenous 2. solventAnswer: 1. homogenous 2. solvent


These are the 7 essential elements of These are the 7 essential elements of life.life.

Answer: carbon, hydrogen, nitrogen, Answer: carbon, hydrogen, nitrogen, oxygen, phosphorus, sulfur, & oxygen, phosphorus, sulfur, & calciumcalcium


If something is considered organic, it If something is considered organic, it is made of this element.is made of this element.

Answer: carbonAnswer: carbon


This is the reaction in which small This is the reaction in which small molecules join to form a large molecules join to form a large molecule, removing water in the molecule, removing water in the process. process.

Answer: dehydration synthesisAnswer: dehydration synthesis


This is a catabolic reaction that splits This is a catabolic reaction that splits apart molecules with the consumption apart molecules with the consumption of water.of water.

Answer: hydrolysisAnswer: hydrolysis


These are the organic compounds that These are the organic compounds that are commonly known as fats, oils, & are commonly known as fats, oils, & waxes. They have a >2:1 ratio of H:Owaxes. They have a >2:1 ratio of H:O

Answer: lipidsAnswer: lipids


These are the organic compounds These are the organic compounds commonly known as sugars and starches. commonly known as sugars and starches. They have a 2:1 ratio of H:OThey have a 2:1 ratio of H:O

Answer: carbohydratesAnswer: carbohydrates


What is the monomer unit of proteins?What is the monomer unit of proteins?

Answer: amino acidAnswer: amino acid

MIDTERM REVIEWMIDTERM REVIEWThese nucleotides bond together to form what type of macromolecule? DNA, RNA, & These nucleotides bond together to form what type of macromolecule? DNA, RNA, & ATP are all ATP are all

examples ofexamples of

this this

macromolecule.macromolecule.

Answer: nucleic acidAnswer: nucleic acid


1. Organic or Inorganic?1. Organic or Inorganic?

Answer: inorganicAnswer: inorganic



Answer: inorganicAnswer: inorganic



2. Type of Macromolecule?2. Type of Macromolecule?

3. How do you know?3. How do you know?

Answer: 1. Organic 2. Lipid 3. >2:1 H:OAnswer: 1. Organic 2. Lipid 3. >2:1 H:O





Answer: 1. Answer: 1. Organic 2. Organic 2. Protein 3. NProtein 3. N





Answer: 1. Answer: 1. Organic 2. Organic 2. Carbohydrate 3. Carbohydrate 3. 2:1 ratio H:02:1 ratio H:0


This is the basic unit of life.This is the basic unit of life.

Answer: the cellAnswer: the cell


Type of cells that do NOT have a Type of cells that do NOT have a nucleus or membrane bound nucleus or membrane bound organelles.organelles.

Answer: prokaryotesAnswer: prokaryotes


process that requires the addition of process that requires the addition of energy and moves material across a cell energy and moves material across a cell membrane against a concentration membrane against a concentration gradient. gradient.

Answer: active transportAnswer: active transport


1. The image shows this.1. The image shows this.

2. Is it active or passive transport?2. Is it active or passive transport?

Answer: 1. diffusion 2. passive transportAnswer: 1. diffusion 2. passive transport


diffusion of materials across a cell diffusion of materials across a cell membrane assisted by carrier moleculesmembrane assisted by carrier molecules

Answer: facilitated diffusionAnswer: facilitated diffusion


The image showsThe image shows

1. endocytosis or exocytosis?1. endocytosis or exocytosis?

2. pinocytosis or phagocytosis?2. pinocytosis or phagocytosis?

Answer: endocytosis and pinocytosis?Answer: endocytosis and pinocytosis?


What is the double layer of the cell What is the double layer of the cell membrane composed ofmembrane composed of

Answer: lipidsAnswer: lipids


01

02

03


Which organelle produces proteins; it Which organelle produces proteins; it is the smallest of the organellesis the smallest of the organelles

Answer: ribosomesAnswer: ribosomes


This is made up of both the living This is made up of both the living (biotic) & nonliving (abiotic) (biotic) & nonliving (abiotic) components of the environment?components of the environment?

Answer: ecosystemAnswer: ecosystem


In a food chain, the passage of _____ In a food chain, the passage of _____ goes in a one-way direction; once used goes in a one-way direction; once used by an organism it is lost as heat. by an organism it is lost as heat.

Answer: energyAnswer: energy


Does the graph Does the graph show logistic or show logistic or exponential exponential growth?growth?

Answer: exponential growthAnswer: exponential growth


What is a large, relatively distinct What is a large, relatively distinct terrestrial region with similar climate, terrestrial region with similar climate, soil, flora (plants) & fauna (animals); soil, flora (plants) & fauna (animals); any environment that has a any environment that has a characteristic climax community?characteristic climax community?

Answer: biomeAnswer: biome


Which biome is characterized as Which biome is characterized as having a generally warm climate all having a generally warm climate all year, receives 200 – 400 cm of rainfall year, receives 200 – 400 cm of rainfall each year, soil poor in nutrients, & each year, soil poor in nutrients, & hosts a large number of varied hosts a large number of varied species? species?

Answer: tropical rainforest.Answer: tropical rainforest.

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Documents

midterm review water

midterm review sal

o slide

homeostasis slide

polar slide

electron slide

hypothesis slide

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