What type of organism is a one-celled organism that functions as a single unit? multicellular precellular unicellular bicellular

Explain how we know that organisms that lived millions of years ago are related to the organisms of today.

Which molecule is active first during DNA replication? A. Adenine B. Helicase enzyme C. DNA ligase D. DNA polymerase

Which of the following flower parts is male? A. CarpelB. StamenC. OvaryD. Style

Which choice names the two parts of Earth that make up the lithosphere? inner core and outer core crust and outer part of the mantle inner core and mantle mantle and outer core

Which of these is NOT a way in which a GM animals contribute to an increased food supply? A. Genetically modified pigs have been engineered, and they produce more lean meat than non-GM pigs. B.

Why must eukaryotic mRNA be processed before being translated?

The vernal equinox has just occurred in the Northern Hemisphere. Which of the following would you expect to be true? (choose 2) A. Temperatures will being to cool. B. The hours of light will begin to exceed the hours of dark. C.

For his class project, Mike needs to collect samples of algae. In which section of a river is Mike most likely to find algae? middle section of the river, source of the river, mouth of the river, all along the river

What is the advantage of CSF for brain and spinal cord

Designer babies research project