There are some similarities between prokaryotic and eukaryotic cells. Which of the following structures is found in both prokaryotic and eukaryotic cells?​

Cell theory was first proposed in 1838. Evidence obtained through additional scientific investigations resulted in the current cell theory. Which statement describes a component of the original cell theory that was removed because of the new scientific knowledge?​

Which cell structure is correctly paired with its primary function?

The cell membrane of the red blood cell will allow water, oxygen, and carbon dioxide to pass through. Because other substances are blocked from entering, this membrane is called​

permeable

Cell theory is a result of the contributions of several different scientists, and applies to all living things. Which of the following explains why cell theory will not ever become the law of cells?​

Which of the following correctly matches an organelle with its function?​

Water is essential for life. Its special properties make water the single most important molecule in plant life. Which of the following properties of water enables it to move from the roots to the leaves of plants?​

Large bodies of water, such as lakes and oceans, do not quickly fluctuate in temperature. What is the reason for this phenomenon?​

Some adult insects are unable to swim but are able to walk on top of water.  What characteristic of water enables these insects to walk on top of water?​

Why does ice float?

Which of the following is mismatched monomer on biomolecules and their building blocks?​

As food travels through the digestive system, it is exposed to a variety of pH levels. The stomach has a pH of 2 due to the presence of hydrochloride acid (HCl), and the small intestine has a pH ranging from 7 to 9. HCl converts pepsinogen into pepsin, an enzyme that digests proteins in the stomach. Which of the following most likely happens to pepsin as it enters the small intestine?​

The human body maintains a temperature of around 98.6 degrees at all times. Enzymes are involved in almost every chemical reaction in the body. Which of the following describes the connection between these two statements? ​

Which of the following macromolecules are a ​        prominent part of animal tissues that function​        in  insulation, helping animals conserve heat?​

A nucleotide is made of which of the following chemical components? ​

Which statement describes how photosynthesis and cellular respiration are interrelated?​

In which way are photosynthesis and cellular respiration different?

he energy in the food produced by autotrophs or taken into the bodies of heterotrophs must be changed into a form that cells can use. The energy-transferring molecule used by cells is —​

Which one of the following is true?

The overall equation for the aerobic cellular respiration of glucose is ​

ATP releases energy when