Which structure of the excretory system in humans is responsible for cinverting ammonia into urea

How does a motor neuron work when a mosquito is seen on an arm? It receives stimuli information from the skin and sends it to the brain where it is processed.

Which of the following are not abiotic factors of an ecosystem? a. water abundance b. temperature c. day length d. herbivores

What do restriction enzymes do? a. They join different DNA molecules together. b. They distinguish protein-coding sequences from noncoding sequences. c. They amplify specific DNA sequences. d. They cut DNA at specific sequences. e.

True Or False. The lymphatic system is another name for the immune system.

What product is after bolus is completely processed in stomach?

redwoods are the tallest species of tree in the world. explain how transpiration causes water to travel from the roots to the branches of a tree this size.

During photosynthesis, chloroplasts use light energy to convert carbon dioxide and water into sugar and oxygen. Which term best classifies the energy stored in the products of photosynthesis?

What did Chargaff discover while studying bases in the DNA of organisms? The bases in the DNA of each organism were unique. The ratios of thymine and adenine were similar, as were the ratios of guanine and cytosine.

What is one way a plane can form?

Where does diffusion take place