When a sperm and an egg are combined they create a zygote.
Answer:
C) dense microvilli
Explanation:
The modification of simple columnar epithelium that allows for efficient absorption along the digestive tract is Dense microvilli.
microvilli increase the surface area of the simple columnar cells allowing more space and opportunities for nutrients to be absorbed from the lumen of the intestine into the bloodstream.
Microvilli are microscopic cellular membrane protrusions that increase the surface area for diffusion and minimize any increase in volume. They are involved in a wide variety of functions, which include absorption, secretion, cellular adhesion, and mechanotransduction.
An organelle found in large numbers in most cells, in which the biochemical processes of respiration and energy production occur. It has a double membrane, the inner layer being folded inward to form layers.
Answer:
look at these two websites
Non-Living Infectious Agents - SPH - Boston Universitysphweb.bumc.bu.edu › otlt › MPH-Modules › PH709_InfectiousAgen...
May 4, 2016 - Criteria for Life. Scientists generally agree that there are four requisite characteristics of living organisms. They have one or more cells with DNA.
Are Viruses Alive? - Scientific Americanwww.scientificamerican.com
Explanation:
It can be challenging because you have to learn at there pace when you have your own pace of working
