What category of microorganism would a diatom fall into?

Which of the following is an example of recycling a renewable resource? A. riding a bike instead of driving a car B. turning food scraps into compost for plants C. turning off lights when you are not using them D.

Which of the following statements is true? Question 9 options: a. A promoter is part of an intron. b. A pre-mRNA molecule is longer than the gene from which the molecule was transcribed. c. Introns are sequences of DNA. d.

An 80 year-old with internal bleeding is admitted through the emergency room after a motor vehicle accident. the physician has ordered 2 units of packed red blood cells (1 unit is 250 ml) to infuse over 1 hour each.

What Type of arrangement and motion do particles in a liquid have? A. Particles are closely packed together & vibrating. B. Particles are not in contact with each other and are moving very quickly. C.

What is antibody and antigen?

What kind of tissue transmits signal across a synapse? epithelial, muscular, nervous or connetive?

What organelle packages materials that will be shipped out of the cell?

Why do complementary nucleotides across the double-stranded dna bond together using hydrogen bonds rather than covalent bonds?

How are dichotomous keys used?

Which two statements about composite materials are true? -They're made up of more than one substance. -They have the same or similar properties as the materials used to make them. -They're always made of metal. -They're readily available in nature.