______1. Which of the following would not normally diffuse through the lipid bilayer of plasma membrane? a. carbon dioxide b. amino acid c. starch d. water ______2. which of the following is not a function of plasma membrane? a. absoprtion of materials b. enzymatic activity c. signal transduction d. transport processess ________3. which of the following elements is added to carbon, hydrogen and oxygen to form amino
Bacterial Morphology
The bacteria are prokaryotic organisms that are single-celled, and are found to exist as free-living and possess a microscopic size. The morphology is found to vary in the bacteria, where some of them are identified as individual organisms and the others are detected as colonies. The size and shape of the bacterial cell also represent its morphology.
Bacterial cell structure
Bacteria are single-celled, tiny creatures that may enter healthy tissues and grow rapidly. Bacteria are microscopic organisms that are tiny and unicellular. These are members of the prokaryote kingdom. They live in water, air, soil, and all-natural environments. They are used in industrial and therapeutic processes, and they support a wide range of plant and animal life. The first organism to appear on the planet. Bacteria-like creatures are the oldest known fossils. Bacteria can consume a wide range of organic and inorganic elements, and some may even survive in harsh conditions.
Multiple choice:
______1. Which of the following would not normally diffuse through the lipid bilayer of plasma membrane?
a. carbon dioxide b. amino acid c. starch d. water
______2. which of the following is not a function of plasma membrane?
a. absoprtion of materials b. enzymatic activity c. signal transduction d. transport processess
________3. which of the following elements is added to carbon, hydrogen and oxygen to form amino acids?
a.nitrogen
b. sulfur
c. phosphorous
d. calcium
_______4. what type of blood is formed between monosaccharides in forminb polysaccharides?
a. glycosidic linkages
b. hydrogen bond
c. nitrogen bond
d. phosphodiester bonds
_____5. which of the following is not found in animals?
a. cellulose
b. chitin
c. glycogen
d. proteins
______6. which element forms part of
a. carbon
b. hydrogen
c. nitrogen
d. phosphorous
_______7. which is not a role of carbohydrates?
a. storage molecules
b. transport molecules
c. carries genetic information
d. recognition molecule
_______8. which of the following is notv a
a. adenine
b. guanine
c. thymine
d. uracil
______9. which statement best describes the sugar and fats used by living organisms?
a. sugar molecules are inorganic and fat molecules are organic.
b. sugar molecules are organic and fat molecules are inorganic
c. energy for life processes can be stored within the
d. energy for life process can be stores within the chemical bonds of sugar molecules only.
_____10. which two elements are always found in amino acids?
a. nitrogen and sulfur
b. hydrogen and phosporous
c. sulfur and oxygen
d. carbon and oxygen
________11. which statement is true about phospholipids?
a. it is made up of three fatty acids attached to a glycerol
b. it is made up of two fatty acids and a phosphate-containing group.
c. it exists asfats and oils.
d. cholesterol and hormones are examples of phospholipids,.
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