The study guide for Biology test. These are some of the common chemistry questions likely to see in your exams.
Answer Molecules
2. A molecule is said to be organic if it contains
Answer Carbon and Hydrogen Atoms
3. Insulin is a protein based hormone; while Testosterone is a ............. based hormone
Answer Chlolesterol/lipid
4. A covalent bond occurs when ........
Answer electrons are transferred from one atom to another
5. The secondary structure of a protein refers to..........
Answer The number and sequence of amino groups
6. Glucose is best describe as a(n)...........................
Answer Compound
7........... is the ability of water molecules to cling to each other due to hydrogen bonding.
Answer Cohension
8. Chlorine has an atomic number of 17; Chlorine is in the 3rd period and 7th group on the periodic table.What would be the number of electrons in its valence shell?
Answer 3
9. The particles that are found in the nucleus of an atom are ....
Answer Neutrons and protons
10. Ribose is a sugar found in ..........
Answer DNA
11.The atomic structure of water satisfies the octet rule by
Answer Having oxygen share electrons with 2 hydrogen atoms
12. Cell division in unicellular organisms produces two new individuals.
Answer True
13.Asexual reproduction results in offspring that are genetically different from the parent.
Answer False
14. Prokaryotes' DNA is found in the _____.
Answer Nucleoid
15. Some bacteria reproduce in less than 20 minutes.
Answer True
16. Which process ensures that each newly formed cell gets its own copy of the DNA?
Answer Replication
17. In a eukaryotic cell that is NOT undergoing division, the tangled mass of DNA and its associated proteins is known as _____.
Answer Chromatin
18. The first phase of nuclear division is called _____.
Answer Prophase
19. During __________, the chromosomes attach to the spindle and begin to align at the metaphase plate of the spindle.
20. The sister chromatids separate from each other during _____.
Answer Anaphase
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