What do the arrows in a food chain or food web represent

How are salts formed?

Which molecule's function is to build proteins? A. Carbohydrates B. Lipid C. DNA C. RNA

The female with this karyotype would have which genetic disorder? A. Klinefelter's syndrome B. Turner's syndrome C. trisomy-21 D. no disorder

The body contains about 100 000 000 000 000 cells. Work out how many red blood cells there would be. Show your working

What is 0.000537 written in scientific notation

When you see the glycerinated muscle fibers shorten, what do you think is actually happening in the muscle cells? think about what you just saw under the microscope?

Which type of fibers are found in the hypoglossal nerve (cn xii) ?

When ATP delivers energy, it does so by breaking the bond between: Question 4 options: the adenosine group and the phosphate groups the second and third phosphate the first and second phosphate all phosphate groups

What structure acts as a gateway for sensory impulses before they reach the cerebral cortex?

Fracking is used to extract what? A) coal B) natura gas C) all of the above D) petroleum