What determines whether a mineral will show cleavage or break in irregular fractures? a. internal atomic structure b. hardness c. external shape d. density

What causes hydrogen bonding between water molecules

What is the difference between sex-linked traits and autosomal traits in humans

Why are cell division and reproduction important

Exposure to secondhand smokes carries the same long-term health risk as smoking

16. Which of the following statements are accurate? A. Sodium diffusing into a neuron will cause depolarization. B. At rest, excitable cells (e. g. neurons) have a positive charge. C.

Explain how glossopteris fossils provide evidence of continental drift

If a person has memory B cells against a certain pathogen, the person is ... a) likely to develop that disease b) much less likely to develop the disease a second time c) able to spread the disease to others through physical contact d) probably

A _[blank]_ solution contains a lot of dissolved solute for a given volume, whereas a _[blank]_ solution contains very little.

Some embryos do not survive through to the fetal stage, which begins about two months after fertilization. When this happens, the mother is said to have had A) endometriosis. B) a miscarriage. C) a toxic shock. D) an implantation.

this is one explanation of enzyme specificity that states an enzyme and its substrate possess specific complementary geometric shape that fits exactly into one another