The following question refers to the essential steps in meiosis described below. 1. Formation of four new nuclei, each with half the chromosomes present in the parent nucleus.2. Alignment of tetrads at the metaphase plate.3. Separation of sister chromatids.3. Separation of the homologues; no uncoupling of the centromeres.5. Synapsis; chromosomes moving to the middle of the cell in pairs. From the descriptions above, which of the following is the order that most logically illustrates a sequence of meiosis?

Which of the following descriptions BEST fits the class of molecules known as nucleotides?

Three babies were recently mixed up in a hospital.  After consideration of the data below, which of the following represents the correct parent / baby combination?

What is the mechanism for the production of recombinant chromosomes?

A polysaccharide that is used for storing energy in human muscle and liver cells is:

While using a very special microscope in the laboratory, you observe a molecule with a hydrophilic head and hydrophobic tails. Based on what you have learned in your biology class, you are confident that this molecule is a

What is the role of NADP+ in photosynthesis?

Which of the following statements BEST describes the relationship between photosynthesis and cellular respiration?

“Sister chromatids are separated from each other.”

What is the mass number of an atom with 16 neutrons, 15 protons, and 15 electrons?