Bio. Qtr 2 Mod. 5&6 Word Scramble

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Question	Answer
A substance that alters the speed of a chemical reaction but does not get used up in the process is a...	catalyst
what is between the bases and holds DNA's double helix together?	hydrogen bonding
what is the bond that forms between proteins in a dehydration reaction called?	peptide bond
lipids are not attracted to water because they are...	hydrophobic
when you perform hydrolysis on a disaccharide, you will get what kind of molecules?	monosaccharide
a ______ is a substance that results from atoms bonding together. it is the smallest unit of a compound.	molecule
simple sugars join together through what kind of reactions?	hydration reactions
in the balanced chemical equation C(18)H(32)O(16)+ 2H(2)O --> 3C(6)H(12)O(6) react with how many molecules of each to make how many molecules total?	123
In DNA the nucleotide base adenine can link only to what?	thymine
A chemical bond formed by the transfer of electrons is what kind of bond?	ionic bond
A ______________ bond is a strong attraction between hydrogen atoms and certain other atoms (usually oxygen or nitrogen) in specific molecules.	Hydrogen
Because they have the same number of protons and electrons, all isotopes of an element have the same ____________________ properties.	chemical
Chemical reactions that ____________________ energy will not occur without a source of energy.	absorb
Glucose and fructose have both a _____ structure and a ______ structure.	ring chain
____________ is The process by which living organisms produce molecules.	biosynthesis
People and animals store excess sugars as a polysaccharide known as _________. When they need the simple sugars again, they break down this molecule into monosaccharides via hydrolysis reactions	glycogen
The element sulfur is comprised of all atoms that have 16 protons. How many neutrons are in sulfur-34?	18
How many total atoms are in one molecule of ?	67
If the above is a carbohydrate, what is the value of x?	4
_____ molecules of CO2 are involved in the reaction →	3
Two atoms have the same number of neutrons but different numbers of protons. They ___ belong to the same element	do not
To bring water to a boil is a _____________change.	physical
If a chlorine atom had 17 protons and 18 neutrons, it would be called ___________.	chlorine-35 (correct answer, your response)
The structure of a protein is based on _____.	chains of different amino acids.
A covalent bond is formed as the result of	sharing an electron pair.
A substance that accelerates the rate of a chemical reaction is called a(an)	catalyst
Which of the following statements about enzymes is NOT true?	All enzymes work inside cells.
Two solutions of different solute concentration are separated by a membrane. After 1 hour, the solutions are of equal concentrations and the water levels are the same as when the experiment started. This an example of	diffusion
Which of the following organic compounds is the main source of energy for living things?	Carbohydrates
Water molecules stick to other water molecules because	hydrogen bonds form between the hydrogen atoms of one water molecule and the oxygen atoms of other water molecules.
Sucrose is formed	from two monosaccharides by dehydration synthesis.
The __________ structure of a protein consists of a chain of amino acids assembled in a specific order.	primary
The tertiary structure of a polypeptide refers to	the overall three-dimensional structure.
Nucleotides	can be linked together to form nucleic acids.
Oxygen-16 is described by which of the following terms?	atom
P is described by which of the following terms?	element
The pH of three solutions is measured. Solution A has a pH of 1.5; the pH of solution B is 7.1; and solution C has a pH of 13.2. Which solution(s) is/are acidic?	solution A
A cell produces a protein that will be used by other cells. When it ejects the protein, it has performed the process of _______.	secretion
The ______ ________ lies between the cell walls of plant cells.	middle lamella
First organelle involved in biosynthesis	ribosome, chloroplast, smooth endoplasmic reticulum, rough endoplasmic reticulum, plastid, nucleus, Golgi body, Golgi apparatus
Second organelle involved in biosynthesis	ribosome, chloroplast, smooth endoplasmic reticulum, rough endoplasmic reticulum, plastid, nucleus, Golgi body, Golgi apparatus
An organelle that rough ER has and that which smooth ER does not have.	ribosome
Before a polysaccharide can be used in cellular respiration in an animal cell, it must be sent to the organelle termed a _______________ .	lysosome
The _______________ stage in cellular respiration produces the most energy.	electron transport system
________________ is the energy necessary to get a chemical reaction going	activation energy
___________ is the rupturing of a cell due to excess internal pressure	Cytolysis
________________is a viscous or jelly-like fluid inside the cell in which the organelles are suspended.	Cytoplasm
____________________ is the breakdown of absorbed substances .	Digestion
_____________________ is the removal of non-soluble waste materials.	Egestion
______________is the process of soluble waste materials leaving the cell.	Excretion
_____ ______ are the organelles where proteins and lipids are stored and then modified to suit the needs of the cell.	Golgi bodies
A ____________solution is a solution in which the concentration of solutes is greater than that of the cell which resides in the solution.	Hypertonic
________________ are particles in which at least one atom has an imbalance of protons and electrons.	Ions
______________________ are organelles that store starches or oils .	leucoplasts
A _________________ is the organelle in animal cells responsible for hydrolysis reactions which break down proteins, polysaccharides, disaccharides, and some lipids .	lysosomes
The ______ _______ is the thin film between the cell walls of adjacent plant cells	Middle lamella
A _________________ vacuole is vacuole is an that holds the matter which a cell engulfs .	Phagocytic
_________________ is the process by which a cell engulfs foreign substances or other cells.	Phagocytosis
A ________________ vesicle is a vesicle formed at the plasma membrane to allow the absorption of large molecules.	pinocytic
_____________is a collapse of the cell's cytoplasm due to lack of water .	Plasmolysis
____________are non-membrane-bound organelles responsible for protein synthesis.	Ribosomes
In a(n) ___________ ___________ , the concentration of solutes is essentially equal to that of the cell which resides in the solution.	isotonic solution
____________ is the rupturing of a cell due to excess internal pressure.	cytolysis
___________ __________ is that which is necessary to get a chemical reaction going.	activation energy
Cellular digestion breaks down big molecules for the purpose of ___________ and ________.	respiration biosynthesis
___________ ___________ breaks down small molecules for the purpose of producing energy.	cellular respiration
Because a(n) ______________ has a hyrdophobic end and a hydrophilic end, the plasma membrane is able to reassemble.	phospholipid
The two stages in aerobic cellular respiration that produce equal amounts of ATP are __________ and the ___________ _______.	glycolysis Krebs cycle
The two stages in aerobic cellular respiration each produce _______ ATP.	2
If a cell's mitochondria stop working, it, the cell _______ perform any stage of cellular respiration.	can
Among the following, the structure that has the highest degree of independence from the rest of the cell is	chloroplast
Cytoplasmic streaming in a cell is generated by	microfiliaments
Some organisms use contractile vacuoles for a type of active transport that	pumps water out of the cell.
Once the equilibrium point is reached between molecules on either side of a membrane, the molecules	move across the membrane equally in both directions. (correct answer, your response)
The removal of water from a cell by a contractile vacuole is an example of	active transport.
Calcium and sodium ions are transported across the cell membrane of a body cell by	molecular pumps.
The energy in ATP is stored in the	bonds between the phosphate groups.
The synthesis and breakdown of ATP within the cells is controlled by	enzymes.
Each of the following is used to release energy from glucose except	photosynthesis
In respiration, the final acceptor of electrons is	oxygen
Diffusion occurs because	molecules constantly move and collide with one another.
Which of these processes takes place in the cytoplasm of a cell?	glycolysis
Glycolysis provides a cell with a net gain of	2 ATP molecules.
Which of the following acts as an electron carrier in cellular respiration?	NAD+
Cellular respiration is called an aerobic process because it requires	oxygen.
The starting molecule for the Krebs cycle is	pyruvic acid.
The Krebs cycle does not occur if	fermentation occurs.
The Krebs cycle produces	electron carriers
The Krebs cycle starts with	pyruvic acid and yields carbon dioxide.
Which of the following passes high-energy electrons into the electron transport chain?	NADH and FADH
Each pair of high-energy electrons that moves down the electron transport chain provides enough energy to	convert 3 ADP molecules into 3 ATP molecules.
How are cellular respiration and photosynthesis almost opposite processes?	Photosynthesis removes carbon dioxide from the atmosphere, and cellular respiration puts it back.

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