Constant internal environment
In order to maintain life, organisms must maintain a relatively constant internal environment, called homeostasis. How is this accomplished?
Entries by Daphne Hanson
Translesion Synthesis DNA polymerases
How do PCNA and post-translational modifications favor Translesion Synthesis DNA polymerases?
Contents and functions of the cell membrane
Discuss the contents and functions of the cell membrane. Chapter 5: a. Discuss the different modes of transport of molecules across the cell membrane. b. Discuss the functioning of the Sodium-potassium pump. c. Discuss transport proteins and the role of ATP in cellular transport. d. Dis cuss bulk transport by Endocytosis and Exocytosis.
Tracheophyte group drawing
Tracheophyte group drawing. Draw a typical habit from each tracheophyte group and label properly each part: ferns, gymnosperms, and angiosperms.
Dependent and independent variable
Dependent and independent variable When designing an experiment, a scientist needs more than an experimental, dependent and independent variable. The scientist also needs an experimental group and a control group. The experimental group contains subjects that receive the manipulation of the experimental variable. The control group contains subjects that are exactly the same as those […]
Proteins and amino acids
Proteins and amino acids. Define the following and give examples of each: – i. Carbohydrates and what are the different types, give examples. ii. Define Proteins and amino acids.
Chemical formulas of elements
List the names and chemical formulas of the first 20 elements of the periodic table Define the following: an atom, an element, an isotope, a compound, a chemical bond an ionic bond.
Characteristics of living organisms
Chapter 1Define the Scientific methodist and define the characteristics of living organisms.
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