Which quantity does a light-year measure?

distance

speed

time

volume

What about the massive? do they have the same mutation?

Which hormone regulates calcium in the blood and bones? parathyroid hormone thyroxine thyroid-stimulating hormone prolactin prostaglandins?

What is the path followed by the energy absorbed by plants to be used in photosynthesis?

Proteins have a three-dimensional structure that gives them a specific shape and allows them to perform many different functions in living organisms. Which one of these is not a function of proteins that depends on their structure?

What are the two main categories of ecosystems? a. effective and ineffective b. marine and freshwater c. biotic and abiotic d. aquatic and terrestrial

What does the electrochemical communication do in the body?

The insertion of the human insulin gene into the bacterium Escherichia coli allowed it to produce human insulin. Which type of organism is E. coli?

When do introduced species become invasive?

If arthropods' appendages were not jointed, how would that affect them?

A student decides to set up an experiment to see if detergent affects the growth of seeds. he sets up 10 seed pots. 5 of the seed pots will receive a small amount of detergent in the soil and will be placed in the sun.