What do ectoderm tissue layers develop into

You can see your cells using the scanning and the 10x objective lenses. when you add oil to your slide and move up to the oil immersion objective you can not focus on anything.

What is the pH of common solutions?

Which of the following are not properties of carbon? . It's very cohesive and adhesive. . It can form polymers like carbohydrates, lipids, proteins, and nucleic acids. . It can regulate temperature. .

Nudibranchs are marine gastropods that lack shells. many of these gastropods retain the foul-tasting poisons of their prey and secrete them when threatened. the bright coloration of the nudibranchs warns predators to avoid them.

What process in cells undergoing meiosis increases genetic diversity

How is the brain able to differentiate between each sensory modality? A The action potentials, sent along the same nerve tracts, get sorted by the thalamus B The action potentials for each sense are sent along separate nerve tracts.

Nearly all cells in an organism contain identical DNA, and each DNA strand may contain hunndreds or thousands of individual genes. Is it likely that a cell would transcribe all the genes within its nucleus simultaneously. A. True B. False

Which of the following is true regarding brain development and aging? a. Blood flow is increased in the brain. b. The brain uses more oxygen. c. The brain becomes smaller and lighter. d.

Which stage of the cell cycle involves cell growth and DNA replication? A) mitosis B) cytonesis C) interphase D) prophase

Approximately what percentage of a human's DNA is used for coding information for the synthesis of proteins?