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ACIS integrated science trimester 1
flashcards for exams
33
Science
9th Grade
11/26/2009

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Cards

Term
What is the equation for cellular respiration ?
Definition
C6H12O6 + 6 02 - - > 6 H20 + 6 CO2 + ATP
Term
How are the sugars made during photosynthesis used in cellular respiration ?
Definition
Sugars are the reactants in cellular respiration.
Term
What energy transformation occurs druing cellular respiration that allows you to take notes in class ?
Definition
Glucose and oxygen transform into carbon dioxide, water, and ATP, which can be used for energy.
Term
Which cell organelles carry out cellular respiration ?
Definition
Mitochondria and cytoplasm.
Term
What is ATP and why is it important ?
Definition
ATP is a type of chemical energy, it fuels cellular respiraton.
Term
What happens when there isn't enough oxygen for cell respiration to occur aerobically?
Definition
Anarobic respiration
Term

Explain how photosynthesis and cellular respiration are part of the carbon cycle ?

 

Definition
Photosynthesis uses carbon dioxide, cellular respiration produces carbon dioxide.
Term
Explain how carbon can join to other carbon atoms to form large and complex molecules.
Definition
Dehydration.
Term
List 2 similarities and 2 differences bbetween photosynthesis and cellular respiration.
Definition

2 similarities : both occur in cells. both involve water, carbon dioxid, water, and glucose

2 difference : one occurs only in plants, other occurs only in animals. one uses sugar, other creates sugar.

Term
How do you know if something is alive ?
Definition
If it's responsive, if it is capable of cellular organization, reproduction, metabolism, homeostasis, heredity, responsiveness, and growth and development.
Term
Compare metabolism and homeostasis. How are they different ? How are they related ?
Definition

Related : both happen internally.

different : homeostasis is when body maintains balance of internal systems. Metabolism is the body's way of breaking down food into a form it can use.

Term
How does your body react to changes in the environment ? For example, if the temperature in the classroom is cold, what happens ? What systems are involved ?
Definition
Body reacts by maintaining your internal temperature. Circulatory and nervous systems.
Term
Choose 2 body sytems. Explain how they work together to accomplish one job.
Definition
Skeletal and muscular sytems. Skeletal system provides fram and muscular system moves body, creates movement.
Term
choose 2 systems. Explain how help maintain homeostasis.
Definition
Nervous system is in charge of everything you do, in charge of circulatory system. Blood helps maintain internal temp.
Term
How does your body adjust to be in a cold climate opposed to being in a cold classroom for a short time ?
Definition
Body wouldn't adjust as much being in cold classroom. If live in cold place better adapt to cold environment to better maintain homeostasis.
Term
Explain how carbon moves through an ecosystem.
Definition

Carbon moves to different resovoirs.

deep ocean <-->surface ocean

Term
How do humans impact carbon cycle ?
Definition
Humans cause the carbon cycle to circulate more.
Term
List 1 similarity and 2 differences between the carbon cycle and energy pyramid.
Definition

similarity : both get transformed

differences : energy pyramid-different amounts of energy levels carbon cycle-carbon moves from place to place

Term
Chemical equation for photosynthesis
Definition
6 CO2 + 6 H20 - light - > C6H12O6 + 6O2
Term
What is a catalyst? What is a catalyst in photosynthesis?
Definition

Never used up. Chloroplast chlorophyll.

 

Term
Explain how plants use the products of photosynthesis.
Definition
Glucose for energy and ATP.
Term
How do organisms store energy?
Definition
Organisms store energy with glucose and ATP.
Term
What energy transformations take place during photosynthesis?
Definition
light energy to chemical
Term
Which parts of plant and plant cells carry out photosynthesis? Where do the products of photosynthesis go?
Definition

Chloroplast, chlorophyll, stroma, thylakoid.

The products of photosynthesis are released into the air and used as energy//storage.

Term
Describe the difference between a monsacchardie, disacchardie, and polysaccharide.
Definition
Monosaccharide has one glucose molecule, disaccharides are made of at least 3.
Term
What are some similarities between monosaccharides and polysaccharides?Differences?
Definition

both made of simple sugars.

monosaccharides single.

polysaccharides more.

Term
6 most common elements in organic molecules.
Definition
- carbon -nitrogen - oxygen - sulfur - hydrogen - phosphorphorus
Term
compare 3 types of organic molecules (macromolecules) in terms of which elements each contains.
Definition
Proteins & lipids make membranes. Lipids and carbs are good for energy, but lipids are for long term energy. Proteins are good for muscle building.
Term
list one job that each of the following do in your body: proteins, lipids, and carbohydrates.
Definition
Proteins make key parts of structures in cells. Lipids store long term energy. Cabohydrates are food for short term energy.
Term
Describe how polysacchardies form.
Definition
3 or more monosacchardies combine.
Term
Which would be better for long term energy a handful of almonds or gold fish ? Why ?
Definition
Amonds, b/c have protein.
Term
What types of things can cuase enzymes not to work ?
Definition
Heat and some kinds of chemicals.
Term
List 3 ways that the toothpickase lab was good model for enzymes and substrates work.
Definition

-shows what happens in diabetes(denatured)

-show what happens when low # of substrates

-when enzymes can't combine w/ substrate

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