How is a plant cell different from an animal cell? An animal cell has a cell membrane that allows certain substances to pass through.
An animal cell has a central vacuole for storing materials.
A plant cell has a cell wall for support and protection.
A plant cell has ribosomes for assembling proteins.

Why do carbohydrate molecules function so well as fuel for the body?

Zoe decided to measure the hand length of each of her classmates. first she marked a line across each student's wrist and lined up a ruler from this mark to the top of the middle finger to measure the length. then she recorded the measurements in the table below. marla did this the same way for each classmate, and then zoe used this ruler to measure each straight line and record the data below. this data is invalid. what is the most likely reason why it is invalid? the ruler is marked in centimeters, but zoe recorded data in inches. the range of lengths is too wide, so zoe must have misread the ruler. marla’s complicated measuring procedure was overly confusing. marla could have been inconsistent while drawing outlines of fingers.

Question#29: why does the tropical ocean have a greater temperature range than the temperate ocean?