The organelle that is responsible for directing all cellular activities is the:

a. mitochondria

c. nucleus

b. endoplasmic reticulum

d. golgi apparatus

William wanted to create a report on a geographical location with the greatest species diversity. Which ecosystem can consider for his report? the ocean a desert a tropical rain forest a coral reef

Why does a protein not function after it has been denatured? a. The R groups form additional bonds causing the structure to become more compact. b. The normal bonding between the beta sheets has been disturbed and the protein loses its normal shape.

Imagine a very large population of moths that is isolated from gene that you are studying flow. A single gene controls wing color) Half of the moths have white-spotted wings (genotype WW or Ww) and hàlf of the moths have plain brown wings (ww).

The human body has many cells that are deep inside the body. For this reason, the human body requires

In which case is an inherited mutation most likely to be expressed?

What is the main function of the excretory system?

What type of mountain would form from vertical movements along fault lines?

Which of the following landmarks is found on the posterior surface of the scapula? a) Coracoid process b) Glenoid cavity c) Spine d) Lateral border

what is the subdivision of the peripheral nervous system that connects to sensory receptors and to skeletal muscles called

What tool would you use for measuring the distance around a ball