Write a sentence explaining the connection between each pair of words:

1. Cell membrane, cytoplasm

2. Lipids, proteins

3. nucleus, DNA

In a clinical situation where it is essential to control microbial growth that includes both mycobacteria and endospores, which chemical agent would be the most effective to guarantee the broadest disinfection?

If an atom has 28 protons, 14 neutrons and 14 electrons. How many electrons would be in the outer ring of the atom?

What is the classification of most stars on the H-R diagram?

Why are bacteria used in recombinant D. N. A. technology

Where is oxygen picked up from the air in the human body?

The first level of organization of a protein is created by a linear sequence of

Which type os landform develops at plate bounderies where one oceanic plate descends beneath another? A. Mountain ranges formed by a batholith B. Rift valley C. lava plateau formed by uplift D. volcanic island arc

A blastula is a. the innermost germ layer. b. a hollow ball of cells in an embryo. c. a digestive organ. d. a stage of development before a zygote.

What type of RNA acts like a delivery truck, delivers amino acids to the ribosome for protein synthesis, and then leaves empty again, to go collect another amino acid?

DNA is only located in the