if there are 60 cystine how many guanine are there?

What would occur if cells did not have enzymes?

Several events might push ocean environments out of the temperature tolerance zones for reef-building corals. They include ALL BUT one of the events described below.

What is a possible cause for a decrease in ecosystem productivity? a an increase in the biodiversiy of the ecosystem b a decrease of the biodiversity of an ecosystem c the biodiversity of an ecosystem experiencing no change d an ecosystem becoming

Which is the primary function of glucose molecules? A. To make up the structure of cell membranes be. B. To act as a catalyst for chemical reactions C. To encode genetic information D. To provide energy for cell activities

Do these data support the hypothesis that aphids acquired the gene for this polypeptide by horizontal gene transfer? why or why not?

Which of the following sentences is the best example of a hypothesis a. UV radiation does not cause skin cancer. b. chickens lay more eggs when they are happy. c. why does the earth orbit around the sun? d. how many types of organisms are there?

What will most likely result when the jet stream moves south of North Carolina

Why is the hormone oxytocin important?

4. One of the jobs of the endocrine system is to give directions to your body about when to grow and develop. Can you think of some times during a person's life when the body changes? Avita

Describe the effect of mutation