Final review of biology. chapter 2 final review for final exam.
Questions and Answers
Which of the following elements is least abundant in your body
Which of the following are compounds
Which of the following is not a chemical reaction
Sugar and oxygen gas combine to form carbon dioxide and water
Sodium metal and chlorine gas unite to form sodium chloride
Hydrogen gas combines with oxygen gas to form water
Ice melts to form liquid water
At atom can be changed into an ion by adding or removing____________. an atom can be changed into a different isotope by adding or removing___________. But if you change the number of __________, the atom becomes a different element.
A sulfur atom has 6 electrons in its third shell, which is its outer shell. As a result, it forms _______ covalent bonds with other atoms.
Explain what a polar molecule is
Is slightly negative at one end and slightly positive at the other
Cell organelles help in the survival of cells through harvesting energy, making new proteins, and getting rid of dead cells. There exist about 12 organelles in a cell, and each has a specific objective that helps the body to...
Questions: 16 | Attempts: 70798 | Last updated: Mar 22, 2022
Here is an interesting Transcription and Translation quiz that is designed to predict how well you comprehend the transcription and translation of DNA in Eukaryotes and Prokaryotes. Translation and Transcription are two...
Questions: 10 | Attempts: 57800 | Last updated: Mar 22, 2022
A Cell builds it's proteins from the Instructions encoded inits _________?
How well do you about the fundamental unit of life, cells? Can you pass the quiz? All of us were taught in school that the cell is the basic fundamental unit of our lives. But are you confident about the fact that you remember...
Questions: 15 | Attempts: 37595 | Last updated: Mar 22, 2022
A cell will swell up if ___________________________.