Fragile X syndrome - disorder in humans caused by the inheritance of genes that have undergone insertions of a string of 3 or 4 nucleotides, repeated over and over.

TRUE

FALSE

Describe the common methods used to identify bacteria

The salinity of ocean water is not the same everywhere in the ocean. Which of the following is a cause of these differences in salinity?

What substance is absorbed in large quantities by rain forests

A nursing textbook is an example of a primary source. a. True b. False

Why are a plant's Stomata generally open during the day and closed at night?

Which statement best describes the relationship between activation energy and rate of reaction? O Increasing the activation energy can increase the rate of a reaction. O Reducing the activation energy can increase the rate of a reaction.

Definition: this is a haploid cell with half the reproductive information from the parent.

Does a cell use energy when molecules diffuse in or out of the cell? Why?

Below is a list of possible challenges. Check all errors that you mentioned in your answer. Traits other than beak type might affect natural selection. It could take many generations to observe adaptions to a population.

A farmer dug a well but did not find any water Which reasons most likely explain why the farmer did not find water? Check all that apply.