Question | Answer |
A bacterium reproduces by making a copy of itself, growing, then dividing into 2 separate, genetically identical cells. This process is called.... | Binary fission |
An elephant is such larger than a mouse, because it is made of more cells, there is a limit to how large cells can grow. What is that reason? | as cells grow bigger they are unable to get enough nutrients through their membrane to keep them growing |
In order to fit all the DNA into the nucleus, it must be highly organized. To start this process the DNA... | wraps around a histone protein |
What happens in the G2 phase? | A cell's DNA is replicated |
Nitrogen fixation is primarily carried out by... | Bacteria |
What process returns water vapor to air? | Water evaporates from Lakes, Rivers and other bodies of water |
True of False. Transpiration is a process that helps carbon cycles through the biosphere. | False |
What is the equation for cellular Respiration? | 6CO2 + C6H12O6 --> 6CO2 + 6H2O + Energy |
Why is it essential for some organisms to use both fermentation and anaerobic respiration? | It allows for increased ATP production when Oxygen is limited |
Movements of energy and nutrients through living systems are different because... | Energy flows in 1 direction and nutrients recycle |
What would happen if you removed carbon dioxide from a plant's environment? | Fewer sugars would be produced |
What is the Golgi Apparatus job? | To manage the process by which proteins are sorted and packaged to be sent where they are needed |
What are the channels, within the cell membrane, that help move materials from 1 side to the other made of? | protein |
A cell membrane is selectively permeable to water, if a Red blood cell was placed into highly concentrated salt water, what would happen? | Water would leave the cell, decreasing in size |
What is active transport? | The transportation of molecules into and out of the sell using energy. |
The net movement of molecules from a high concentration to a low concentration is called... | Diffusion |
The movement of water across a selectively permeable membrane os called... | Osmosis |
An animal cell surrounded by pure water will burst because osmosis would cause.... | water to move into the cell |
Carbon Dioxide, Water and Glucose are ALL products of... | photosynthesis |
When a phosphate group is removed energy is released from | ATP |
After amino acids are strung together by ribosomes, the amino acid chain is able to enter what organelle? | Rough ER |
What is the Nucleus job? | Store DNA, Contain information to make proteins, holds ribosome synthesis |
The cytoskeleton is involved in cell structure and ... | movement |
This organelle manages the process of which worn out organelles, food particles and engulfed viruses and bacteria are digested. | Lysosomes |
The Vesicle is a small membrane bound sac that.... | moves products into, out of, and within a cell |
Rough ER has ________ attached to it. | Mitochondria |
In which type of cell would you find a nucleus in? | Eukaryotic |
What happens when carbohydrate monomers join together to make a polymer? | Water is removed form the molecules using dehydration synthesis reaction. |
Atoms are _____ in chemical reactions. | rearranged |
Trypsin is an enzyme found in your stomach, where pH is 2.0. If this was removed the pH of your blood would be 7.4, what would you expect to happen? | the enemy would denature and no longer function. |
After Sucrase breaks down table sugar into fructose what happens to the enzyme? | It remains unchanged nd can be reused to catalyze more reactions. |
What pairs a monomer with its polymer? | Nucleotides |
What is a hydrolysis reaction? | when polymers are broken apart in your cells to be used for energy. |
What happens when a Calcium atom loses 2 electrons to 2 atoms of chlorine | an ionic bond is formed |
A covalent bond is... | sharing of electrons |
2 atoms of hydrogen joined to 1 atom of oxygen by a polar covalent bone describes the structure of what molecule? | water |
what kind of molecules are built around chains of Carbon atoms? | Organic |
What are the 4 elements that make up 96% of all living matter? | Carbon, Hydrogen, Nitrogen and Oxygen |