What is the primary function of the carbon cycle?

Recycling the supply of carbon on earth

Creating macromolecules

Recycling the supply of water on earth

Creating fossil fuels

All cells contain the same genetic information. why can't cells other than stem cells differentiate into various tissues?

Helen has lived in a town outside a major city for more than 50 years. Over this, Helen has observed the development of her town, including the construction of new roads and houses, and the loss of natural areas.

When Galileo Galilei was alive, most scientists believed that heavy objects fall to Earth faster than light objects.

Many people have a tendency to gorge on rich, fatty foods. how could such a preference have evolved?

What is the term that describes the softness or harshness of the ride?

Which of the following characteristics, structures, or processes is common to both bacteria and viruses? A. Metabolism B. Ribosomes C. Genetic material composed of nucleic acid D. Cell division

A teacher modeled part of a DNA molecule using two of these coiled springs. Which part of the DNA molecule was the teacher most likely modeling?

All life on Earth started as unicelluar, prokaryotic organisms. Which of these structures was vital for organisms to develop in order to evolve into more complex, multicellular organisms?

Which protist would most likely be phytoplankton? A) Kelp (a brown seaweed) B) Plasmodium falciparum (the pathogen that causes malaria) C) Polysiphonia (a red seaweed) D) Euglena (a unicellular alga) E) Phytophthora infestans (the pathogen that

Put the following steps of bacterial specimen preparation and staining in order: a. fixation b. application of staining dyes c. smear preparation