How do embryonic cells communicate with each other? a. direct contact b. the release of chemicals c. hormones d. all of the above Explanation!

Embryonic stem cells were found in the blastocyst. Theyare harvested from the inner cell mass of the blastocyst. Adult stem cells werefound in blood, central and spinal brain, liver, pancreas,...

I) Beta memory cells or plasma cells rapidly and efficiently produce antibodies during a secondary immune response incase of re-infection. ii) The beta lymphocytes recognize native antigen via their BCR...

Both of these processes take place in the ovary.

1. In ecological studies, sampling methods are used in three ways: random sampling (large numbers of samples are taken from different points of the habitat), systematic sampling (samples are taken...

Plasmids can transfer between different bacteria. This means that a bacterium can become resistant to multiple antibiotics at once by picking up a single plasmid. They then become multidrug-resistant. Furthermore,...

It is false. Common names are not used in science. Unlike scientific names, common names are not unique. As a result, common name usage can lead to confusion about what...

Hormones are organisms that are transported in blood or sap fluids to stimulate cells into action. A particular cell is a target for a hormone, so hormones target those cells...

Homeostasis is restored by the increased release of glucagon from the pancreas.

In chemistry , an alkali is a basic , ionic salt of an alkali metal or alkaline earth metal element . Some authors also define an alkali as a base...

There are several types of fermentation, depending on the end products of the reaction. In yeasts and bacteria, the products of the fermentation include lactic acid, acetic acid, and propionic...