When a protist digests its food, particles to be broken down are isolated from the rest of the cell in a ____ , to which digestive enzymes are added
Fill in the blank with the appropriate word.
vacuole
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In mycorrhizal mutualisms between plants roots and fungi,
A) the plant supplies carbohydrates to the fungus and the fungus supplies phosphorus and nitrogen to the plant. B) the plant supplies water to the fungus and the fungus supplies essential amino acids to the plant. C) the plant protects the fungus from predation and the fungus supplies carbohydrates to the plant. D) the fungus infects the plant roots, stimulating plant growth through myc factors that act as growth hormones in the plant.
Each radial loop domain may contain between 10 and 100 base pairs of DNA
Indicate whether the statement is true or false
Water has the ability to dissolve salts and carry dissolved carbon dioxide. How does this action help the human body maintain homeostasis?
A) production of energy for cells B) distribution of needed materials to the cells C) removal of waste from the cells and the body D) absorption of needed materials from the environment
Who is credited with first observing cells?
A) Robert Hooke B) Anton van Leeuwenhoek C) Robert Koch D) Louis Pasteur E) Carolus Linnaeus