Most cell membranes are composed principally of ? April 19, 2025 by admin A. DNA ad protein B. Protein and Lipids C. Protein and Chitin D. Protein and RNAThe correct answer to the question: "Most…
The concept that various organisms dominated this planet during various geological time period and thus placing organisms in a time squence came from the studies by ? April 19, 2025 by admin A. Environmental biologist B. Paleontologist C. Marine biologist D. Social biologistThe correct answer to the question: "The concept…
Normally, in the process of osmosis, the net flow of water molecules into or out of the cell depends upon differences in the ? April 19, 2025 by admin A. Concentration of water molecules inside and outside the cell B. Concentration of enzymes on either side of the cell membrane C. Rate of molecular motion on either side of the cell membrane D. None of theseThe correct answer to the question: "Normally,…
Sodium ions are “pumped” from a region of lower concentration to a region of higher concentration in the nerve cells of humans. This process is an example of April 19, 2025 by admin A. Diffusion B. Passive transport C. Osmosis D. Active transportThe correct answer to the question: "Sodium ions…
An unbroken series of species arranged in ancestors to descendent sequence with each later species having evolved from one that immediately preceded it is called? April 19, 2025 by admin A. Biome B. Phyletic lineage C. Community D. PopulationThe correct answer to the question: "An unbroken series…
Proteins are made from amino acids by the process of ______________? April 19, 2025 by admin A. Hydrolysis B. Pinocytosis C. Dehydration synthesis D. Active transportThe correct answer to the question: "Proteins are…
Biological sciences have a set methodology and it is based on ? April 19, 2025 by admin A. Experimental inquiry B. Esthetic preference C. Philosophical ideas D. ImaginationsThe correct answer to the question: "Biological sciences have…
Which is an organic compound found in most cells ? April 19, 2025 by admin A. Water B. Glucose C. Oxygen D. Sodium chlorideThe correct answer to the question: "Which is…
A series of hypothesis supported by the results of many tests is called ? April 19, 2025 by admin A. Scientific law B. Theory C. Data D. DeductionThe correct answer to the question: "A series of…
Which are the four most abundant elements in living cells ? April 19, 2025 by admin A. carbon, oxygen, nitrogen, sulfur B. carbon, oxygen, hydrogen, nitrogen C. carbon, oxygen, sulfur, phosphorus D. carbon, sulfur, hydrogen, magnesiumThe correct answer to the question:…
