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Questions in biology

[Homework Help] The two main processes by which plant cells absorb, release, and use energy are: A. fermentation and respiration. B. digestion and photosynthesis. C. photosynthesis and respiration. D. aerobic and anaerobic respiration.

[Homework Help] Cellular respiration allows organisms to release the energy stored in glucose. The energy in glucose is used to form ATP. Which of the following elements is an essential element that makes up ATP?

[Homework Help] A weather station model can be used to: A. calculate the size of tornadoes B. increase the frequency of rainfall C. find the wind speed and direction D. decrease the frequency of hurricanes

[Homework Help] The most reasonable explanation for why energy conversions are necessary is because _______. Select one: A. Different types of work require different types of energy sources B. ATP is the only type of energy used to do work in any system C. Coal is too large to power cell work D. Sunlight is not a dependable source of energy

[Homework Help] Why is DNA called the blueprint for life? A. It has the code to make carbohydrates. B. It stands for Director of New Activities. C. It has directions for making membranes. D. It contains the genetic material for living things on earth.

[Homework Help] If a new animal was discovered that spent half of its life underwater breathing with gills and half of its life on land breathing with lungs, which group of animals would it most likely fit into? A. Fish B. Amphibian C. Mammal D. Insect

[Homework Help] Which two features indicate that a cell is an animal cell and not a plant cell? A. Central vacuole, ribosomes B. Cilia, lysosomes C. Ribosomes, cell wall D. Mitochondria, chloroplasts

[Homework Help] Which one of these statements about cell division is not accurate? A. Everything gets divided among four daughter cells. B. Damaged tissue can be repaired. C. Growth of a multicellular organism can occur. D. This is one part of the cell cycle.

[Homework Help] Scientists hypothesize that the first life forms on Earth ______?

[Homework Help] Why is a raindrop a particularly damaging element to soil?