A boy is pulling a rope with a force of 300N. His friend is pulling on the rope in the opposite direction with a force of 180N. What is the net force acting on the rope?

Although the process of chromosome partitioning during mitosis is visible through a light microscope, the process of DNA replication is not. Why? a) Chromosomes do not contain protein until mitosis.

Parthyroid hrmone is an antagonist to calcitonin

Which species suffered population loss as a result of the reintroduction of wolves to the northern rocky mountains? A. bald eagles B. beavers C. elk D. aspens

If you found the same gene in all organisms that you tested, what does this suggest about the evolutionof this gene in the history of life on earth

What would be the mrna strand if the dna strand reads: agccagttc?

Humans do not eat the algae directly from the ocean, so how can we still be affected by it?

In an effort to control the ongoing cholera epidemic affecting Haiti, health officials are considering the use of cholera vaccines. One difficulty they are facing is the limited vaccine supply.

which term refers to the structure that forms the surface of a cell separeting its conctents from the outside world

Who explored Texas, New Mexico, and Arizona in 1528, while lost for nine years? A) Hernando de Soto B) Francisco Vasquez de Coronado C) Cabeza de Vaca D) Juan Ponce de Leon

The part of the livestock female reproductive system that is between the infundibulum and the uterus and is also called the fallopian tube is the: