Powerhouses of a cell Study guides, Class notes & Summaries

Mitochondria are double-membraned organelles found in the cells of eukaryotic organisms, including humans. Often referred to as the "powerhouses of the cell," mitochondria play a crucial role in generating energy in the form of adenosine triphosphate (ATP) through a process called cellular respiration. They are known for their own DNA and the ability to replicate independently, which has led to the theory that they may have originated from symbiotic bacteria. Mitochondria are essential for var...

Looking for a comprehensive guide to understanding the intricacies of general biology? Look no further than our summary notes, which delve into two critical topics: the endomembrane system and cell structures in plant cells, as well as mitochondria and the cytoskeleton. Our notes cover the endomembrane system, a complex network of membrane-bound organelles responsible for tasks such as protein synthesis and intracellular transport. We provide a detailed overview of each organelle within the s...

Cell structure and function are fundamental concepts in biology that describe the organization, components, and processes within cells. Cells are the basic units of life and exhibit remarkable diversity in their structures and functions. Understanding cell structure and function is essential for comprehending the functioning of living organisms at a microscopic level. The basic structural and functional unit of a cell is called the cell. There are two main types of cells: prokaryotic and euka...

NLN PAX-RN Biology Exam 92 Questions with Answers 2023 What are the taxonomic levels of all living beings from most to least general? - CORRECT ANSWER domain, kingdom, phylum, class, order, family, genus, species (dumb kings play chess on fiberGlass stools) Define homeostasis. - CORRECT ANSWER The maintenance of equilibrium within an organism by a tendency to compensate for changes and disruptions. Define metabolism. - CORRECT ANSWER All of the physical and chemical reactions assoc...

What is the significance of carbon having four valence electrons? - answer-The outermost shell can form up to four covalent bonds. What is the definition of a hydrocarbon? - answer-A large chain of carbons and hydrogens bonded together. What do amino acids, fatty acids, and sugars (monosaccharides) have in common? - answer-They are made of carbon, oxygen, and hydrogen. What makes amino acids unique from one another? - answer-the R group What compound is a carbohydrate? - answer-Starc...

What is Pathophysiology? - Correct answer-The study of abnormalities in physiologic functioning of living beings. it is in terms of common presentations of disorders. What is the difference between clinical manifestation, complication, sequela? - Correct answer-Clinical manifestations- can either be objective (physician) or subjective (patient) information Complication- a new or separate process that may arise secondarily b/c of some change produced by the original problem. Sequela- a ...

TEAS Biology review with updated questions and answers cell theory - CORRECT ANSWER All cells arise form preexisting cells Cells can carry out the processes of life Organisms are made of cells that function together cell - CORRECT ANSWER The ____ is considered to be the basic unit of life prokaryotes - CORRECT ANSWER single cells organisms such as bacteria are examples of _____. This type of cell does not have a nucleus,but does have DNA. ALL have a cell wall eukaryotes - CORRECT ANSWE...

carbon dioxide a chemical compound composed of one carbon and two oxygen atoms Chlorophyll A green pigment found in the chloroplasts of plants, algae, and some bacteria glucose a sugar that is an important energy source in living organisms limiting factor anything that constraints somethings size/slows or stops it from growing Nanometer(nm) one billionth of a meter Photosynthesis process used by plants to harness energy from the sunlight and turn it into chemical energy Wavelength t...

Cells questions with complete solutions 2023 verifiedOrganelles Tiny cell structures that carry out specific functions within the cell. Cell Wall Rigid layer of non living material that surrounds the cells of plants and other organisms. Only in plant cells. Gives plants it's shape. It helps protect and support the cell. Cell Membrane All cells have a cell membrane. In cells with cell walls, the cell membrane is located just inside the cell wall. In other cells, the cell membran...

cell theory - ANSWER-All cells arise form preexisting cells Cells can carry out the processes of life Organisms are made of cells that function together cell - ANSWER-The ____ is considered to be the basic unit of life prokaryotes - ANSWER-single cells organisms such as bacteria are examples of _____. This type of cell does not have a nucleus,but does have DNA. ALL have a cell wall eukaryotes - ANSWER-multicellular organisms such as plants and animals are examples of ______ -some have a ...