The answer is D wrist joint
Answer:
The correct option is C. <u>CO2, H20</u> are both compounds.
Explanation:
Compounds can be described as substances which are produced when atoms of different elements join together through the formation of chemical bonds.
In the option C, both CO2 and H2O are formed by the atoms of different elements. Carbon and two molecules of oxygen join to form carbon dioxide. Hydrogen and two molecules of oxygen join to form H2O. Hence, the correct option is C.
Option A is false because H2 is a substance made up of atoms of same element i.e Hydrogen. Option B is false because N2 is a molecule made up of the same atoms of nitrogen. Option C is false because O2 is made up of the same oxygen atoms.
Answer:
Glycocalyx
Explanation:
Most of the eukaryotic cells have a coating outside their cell membrane. This coating is called the glycocalyx. It consists of glycoproteins and glycolipids. The sugar parts of these compounds are in contact with the underlying plasma membrane. The function of the glycocalyx is to protect the cell. Certain specific molecules of the glycocalyx are involved in the recognition of cells so that they can recognize one another to make contact.
Answer:
Explanation:i dont know tbh
Zooplankton size variation:
1) picoplankton<span> - measure less than 2 micrometers
2) </span>nanoplankton -<span> measure between 2-20 micrometers,
3) </span>microplankton -<span> measure between 20-200 micrometers,
</span>4) mesoplankton - <span>measure between 0.2-20 millimeters,
</span>5) macroplankton<span> - measure between 20-200 millimeters,
6) </span>megaplankton - <span>measure over 200 millimeters (almost 8 inches). </span>