At the point of implantation, which of the following occurs? (2 points) A gastrula embeds into the uterine lining.
A blastocyst embeds into the uterine lining.
A gastrula embeds into the ovarian lining.
A blastocyst embeds into the ovarian lining.

What causes the phospholipids to organize themselves the way they do

The vaccine in a flu shot contains weakened flu viruses. how does a flu shot work with the immune system? a. it destroys lymphocytes. b. it destroys macrophages. c. it activates macrophages. d. it activates lymphocytes.

The table lists the observations students made about four specimens under a microscope. based on these observations, what specimens did the students examine? animal plant virus prokaryote cell membrane present ribosomes present lysosomes present nuclear membrane present cell wall present ribosomes present nuclear membrane absent cell wall present ribosomes present nucleus present large vacuole present reproduces inside of a cell nucleus absent rna present 2019 edmentum all rights reserved intl