Questions in Grade High-school

Questions in Grade High-school

[Done] Help, I don't understand this

[Done] Which is a major difference between the cell membrane and the cell wall? A. Cell membranes are living; cell walls are not living. B. Cell membranes are found in human cells; cell walls are found in all other cells. C. Cell membranes are found in animal and plant cells; cell walls are found only in plant cells. D. Cell membranes are semipermeable; cell walls are selectively permeable.

[Done] Which of the following has the least influence in the modification of plant leaves for photosynthesis? Select one: A. Location of chloroplasts B. Thickness of leaf C. Presence of root hairs D. Amount of surface area

[Done] Which two organs are part of the excretory system? A. Gizzard, beak B. Stomach, esophagus C. Large intestine, small intestine D. Kidney, bladder

[Done] A red candle is \(11 \frac{2}{5}\) inches tall. The label claims that the candle will melt \(1 \frac{1}{8}\) inches every hour it burns. If the label is correct, for how many hours will the candle burn?

[Done] The microscope helped Antoine van Leeuwenhoek discover "little animalcules," which were really the first descriptions of microscopic items such as: A. Bacteria B. All of the above C. Red Blood Cells D. Protozoa and Algae

[Done] If \( P(-2, 1) \) is rotated 90°, its image is:

[Done] Consider the relationship between the height of a tree and time. The height of the tree would be considered which of the following? A. Function B. Input function C. Independent variable D. Dependent variable

[Done] How should a microscope be carried?

[Done] The fluid mosaic model explains: Select one: A. why active transport occurs across a cell membrane. B. the arrangement of cell membrane components. C. the movement of sodium ions across the cell membrane. D. why fluids collect in a cell under hypotonic conditions.