Cellulose is a sugar/carbohydrate. Cells use it as a structural component of their cell. Cellulose's main function is to provide rigidity, strength
and protection. It prevents cells from rupturing due to turgor pressure.
Cellulose in their cell walls is a characteristic of which Kingdom?

A) Archaebacteria

B) Fung

C) Eubacteria

D) Plantae

In a leaf, dermal tissue a) stores food b) stores carbon dioxide c) releases oxygen into the air d) transports water from the roots

Imagine a person stepping on a pin and pulling his or her foot away. look at the reflex arc of this scenario below. which statement best describes the image? a)the sensory nerve carries the signal from the effector to the interneuron, and the motor neuron carries the signal to the receptor. b)the motor nerve carries the signal from the receptor to the interneuron, and the sensory neuron carries the signal to the effector. c)the sensory nerve carries the signal from the receptor to the interneuron, and the motor neuron carries the signal to the effector. d)the sensory nerve carries the signal from the receptor to the motor neuron, and the interneuron carries the signal to the effector.

Name 3 injuries and two diseases that affect the skeletal system.