Malaria kills two million people a year and is caused by what

How was central florida before nasa and the kennedy space center?

Is there a reason why nature chose carbon as building blocks and not any other element, say silicon?

Which statements is not true about prokaryotes? a. prokaryotes vary widely in shape and sizes b. prokaryotes store their generic information in a nucleus c. prokaryote use DNA to store their genetic information d.

When fats decompose in an organism, energy is released. true/false

Which of the following is an impact of fishing on fisheries? a. an increase of fishery health b. an increase in fishery populations c. the discovery of new fisheries d. none of the above

A sedimentary rock is found to be 300 million years old. Which type of organism is NOT likely to be found in the rock? a) insects b) mammals c) fish d) land plants

James is making models of plant and animal cells using objects supplied by his teacher to represent organelles. For one cell, he will place the objects in a shoebox. First he fills a balloon with water and places it in the shoe box.

What holds DNA and controles cells activities

Usually, a mutation in the promoter region of an operon causes reduced levels of synthesis of the proteins encoded by that operon. Occasionally, a mutation in the promoter region actually causes increased levels of synthesis.

Genes do not exert the only influence on personality. therefore,: