What is a tetrad?

A. A chromatid before meiosis

B. Another term for a sperm cell

C. A haploid cell produced by meiosis

D. Two sets of sister chromatids

DNA would be found in which classification of biological molecules? A) Lipids B) Carbohydrates C) Nucleic acids D) Proteins

Why is there a minimum mass of an object to become a star?

The sympathetic and parasympathetic nervous systems are both a part of which division of the nervous system?

What is it called when a cell doubles its genetic material

Two parents are heterozygous for a gene that has a simple dominant-recessive pattern of inheritance. If they have four offspring, how many of the offspring will have the recessive-recessive genotype.

What did Rutherford model of the atom include that Thompson's model did not have?

Shelby is a plant breeder who is trying to identify the cause of a disease among a group of trees. She observes that the organism reproduces through spores and has reproductive structures that are shaped like a sac. Which type of fungus is it? A.

Human gametes contain one set of chromosomes, therefore we refer to these cells as:

True or False? The pharynx and larynx are generally not coordinated during swallowing in an unresponsive person, making them more prone to choking.

How can large amounts of food be heated or chilled quickly?