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BIO FINALs
| Question | Answer |
|---|---|
| NAme one of the characteristics or structures that all cells have in common | ribosomes |
| How are elements and compounds related? | Elements are made of 1 kind of atom, compounds are made of two or more kinds of atoms. |
| Explain what it means that water molecules are polar but do not have an overall charge on them | Oxygen is pulling more so on the electrons and the protons and electrons are balanced |
| What types of bonds are easily disrupted by water? | Ionic and Polar bonds |
| carbohydrates are... | macromolecules that are small or large sugars |
| What are two main functions of polysaccharides? | Storage molecules and structural compounds |
| GIve 3 examples of food that contain starch | Corn, rice , and wheat |
| What is the main function of fats? | long-term energy storage |
| What functional group is -H-O from? | Hydroxyl |
| What functional group is -N-H-H from? | Amino |
| What funtional group is -C-H-H-H from? | Methyl |
| Cellulose Starch and CHitin belong to what class of biomolecules? | Carbohydrates |
| Protiens are formed when amino acids are joined by what process? | dehydration synthesis |
| When 3 or more amino acids join together, they are called, | Polypeptide |
| the backbone in nucleic acids are composed of repeating... | DNA and RNA |
| A scientific explanation that is tentative and require investigation is called | hypothesis |
| WHich of the following is true about neutral Atoms? | The number of electrons neutrons and protons are all the same |
| What best explains why an atom may not form compounds readily? | The atoms that are on he outer energy level are not full |
| Which of the following is an example of hydrogen bonding? | The bond between the H in one molecule and the O of the other molecule. |
| What cell organelles produce enzymes that help animal cells digest food particles? | Lysosomes |
| Which ofthe following structures help a call maintain its shape? | Microfilaments and Microtubules |
| an organisms ability to maintain internal stability when the external enviroment changes is... | homeostasis |
| The difference between Prokaryotic and eukaryotic cells is the prokaryotic cells... | lack membrane bound organelles |
| What is osmosis? | The diffusion of water |
| A form of passive transport that uses transport proteins is called | facilitated diffusion |
| What is an ion? | an atom or molecule with an electrical charge resulting from a gain or loss of electrons. |
| What are three changes in a cells outer environment that can cause a protein to denature? | Heat, change in concentration,change in the pH |
| what type of protein is found in the immune system that help your cells identify foreign substances? | recognition |
| what are the products of photosynthesis? | CO2 H2O Glucose |
| Where is glucose made | Stroma |
| naae 3 things that have contributed to the increasing levels of Co2 in the atmosphere? | CFCs, deforestation, burning fossil fuels |
| How does the cell fix errors that do occur? | the repair enzymes fix the errors |
| what is the function of mRNA? | takes info from DNA and brings it to the ribosomes |
| What is the function of tRNA? | carries the amino acids to RNA from RNA to the ribosome. |
| Describe the process of transcription? | mRNA is made from DNA and information is catalyzed by RNA Polymerase and occurs in the nucleus. |
| Describe the process of translation? | tRNA and rRNA and proteins use the sequence of nucleotides in the mRNA to make protiens |
| What occurs in the nucleus? | Transcription and replictation |
| what is the main purpose of fermintation? | for NAD+ to keep glycolysis going |
| When oxygen is present what process willmost cells carry out? | cellular respiration |
| Cellular respiration is carried out by what types of cells? | all cells |
| what is the backbone of DNA mad up of? | sugar and phosphate |
| What are the products of light dependent reactions? | ATP NADPH O2 |
| What are the reactants and products of light independent reactions | RuBP, glucose H2O |
| before a cell divides what process must occur | mitosis or miosis |
| how are DNA genes and chromosomes related | genes are segments of DNA and found in chromosomes |
| what is the first la in thermodynamics? | energy remains constant |
| what are responsibilities that catalysts have | reusable; not permanently changed and speed up reactions |
| mitochondrion | make ATP and is where cellular respiration happens |
| all cell have the same (1) but are different by expressing different (2) | 1. DNA 2. protiens |
| what are polar covalent bonds and giv and example | polar covalent bonds don't have equally distributed electrons EX: H2O |
| what properties do hydrogen bonds give water? | cohesion adhesion and surface tension |
Created by:
Alyseah Ruggs
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