5. Why is it important for bacteria to "fix" nitrogen?

Plants use a process called respiration in order to obtain energy from the food they produce during photosynthesis. when a plant undergoes respiration, it

A particular species is collected and is described as "dark red-brown". How could we tell if this alga is a member of the Rhodophyta or of the Phaeophyta?

How long does it take for a package to come from uk to arizona?

What atoms are needed to complete each broken bond between monomers?

Which of the following is an example of a Global Environmental choice? A students deciding to ride bicycles to their school B Nations meeting to discuss the ozone layer C a Town Council considering a new nature Refuge D a family deciding to recycle

Plasmids are used as vectors in both plant and bacterial recombinant DNA technology. However, there is a major difference in the fate of genes introduced into bacteria on most bacterial plasmids and into plants on Ti plasmids.

An experiment which seems to validate a hypothesis

Christina is a 60 year old woman who weighs 190 pounds (86 kg) and has an estimated body fat of 36%. Her goal is to reduce her body fat to 23%.

How much thermal energy needs to be added to 0.455 kg of benzene to heat it from 30*c to 50*c

What theory states that all living things are composed of cells? select one: a. evolutionary theory b. cell theory c. law of thermodynamics d. hooke's rule e. mendel's law/?