Biology, 27.06.2019 01:40, bairdmatthew43
Cells must use energy to move a substance against a concentration gradient (i. e., from a compartment with a low concentration of the substance to a compartment with a higher concentration). which of the following processes would require a cell to expend energy? choose all of the correct answers. transport of sodium ions out of cells transport of sodium ions into cells transport of potassium ions out of cells transport of potassium ions into cells transport of calcium ions out of cells transport of calcium ions into the cytoplasm of a cell from the ecf transport of calcium ions out of the cytoplasm of a cell and into an organelle that has a high concentration of calcium ions. transport of calcium ions out of an organelle that has a high concentration of calcium ions and into the cytoplasm of a cell.
Answers: 1
Biology, 22.06.2019 06:00, 21hendlill
Me with biology endocrine system crossword also image left i need with hw
Answers: 1
Biology, 22.06.2019 14:50, dondre54
Read this summary of a scientific theory: "cells are the most basic structural and functional units of life. all living organisms are made up of one or more cells. all cells that are alive in the world today came from pre-existing cells." which of the following would require this theory to be modified? -a.) a survey finds that a majority of people believe viruses carry out the basic processes of life. -b.) a prominent scientist says she feels strongly that one day the theory will be challenged by life on other planets. -c.) the dna of unicellular and multi-cellular organisms is shown to have many fundamental similarities. -d.) scientific observations show that microscopic organisms living in the deep ocean are not made up of cells.
Answers: 1
Biology, 22.06.2019 15:00, bellabrill
Based on the number of offspring they produce at one time organisms are classified into two categories many offspring at once and a few at a time sort the carry sticks based on the category they describe
Answers: 2
Cells must use energy to move a substance against a concentration gradient (i. e., from a compartmen...
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