What macromolecule is used to speed up chemical reactions?

What is spontaneous generation

The bodies of multicellular fungi are composed of chitin. True or False

Which of the following best explains why soil conservation is important to human agriculture

Scientists distinguish whether an entity is living or nonliving by describing the what of life?

A man with a homozygous dominant WW produces a zygote with a woman with a heterozygous dominant Ww for the trait. Which allele combinations could occur in the zygote?

What is the main difference between the gas water vapor and the liquid water? A The molecules of water vapor are much smaller than those of liquid water. B Liquid water is made out of different molecules than water vapor is.

Which outcome occurs when bonds between atoms are broken or formed? A. a physical change B. an element increasing in size C. a chemical change D. a change of state

What events caused the formation of most islands in the South Pacific?

A new species of plant arises as an allopolyploid from two other plants, one with a diploid number of 14 and one with a diploid number of 18. what would the diploid number of the new species most likely be?

Where do Earth's convection currents occur? the lithosphere tectonic plates the asthenosphere the subduction zone