BIO 24 - Chapter 2
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Allows ions to take part in other chemical reactions...
Made of only one type of atom
Water within the cell is called?
Sugar, Starch and Glycogen are all types of what?
This decreases the conecntration of H+ ions
_______ are _______ that speeds up the rate of chemical reaction
Inorganic chemical needed by the body in small amounts
These are made up of amino acids
These are the subunits of a protein
This is a system that helps minimizes changes in pH
The energy productin within cells is called?
A bond that holds ions together is called?
DNA and RNA are types of what?
The smallest part of an element is?
Sharing of electrons between atoms forms a?
This increases the concentration of H+ ions
This makes up 35% of the body's total water
The direct source of energy for cells is?
An atom that has a charge after losing or gaining electrons is called?
What is the normal range of pH in blood?
Which two compounds are important for energy storage in the body?
Glycogen and True fats (lipids)
Intracellular fluid is the name of water found in what?
Cells which covers 65% of the bodys water
Extracellular fluid is the name for water found in what?
- covers 35% of the bodys water.
- Plasma - in blood vessel
- Lymph - in lymphatic vessels
- Tissue fluid - in tissue spaces between cells
- Other specialized fluids.
The trace element most essential for oxygen transport in the blood is?
An enzyme may become inactive when?
- 1) Body temperature rises excessively
- 2) pH of body fluids becomes too acidic
Which is the genetic code in our cells?
DNA in Chromosomes
The energy-transfer molecule formed in cell respiration is?
The waste product of cell respiration is?
The two elements that provide strength in bones and teethare?
Ca and P
A carbohydrate is made of which elements?
- 1) Carbon
- 2) Hydrogen
- 3) Oxygen
What are an energy source for polysaccharide?
- 1) Glycogen
- 2) Starch
- 3) sucrose
The molecule used to synthesize the hormones estrogen and testosterone is?
Hydrogen bonds help maintain the three-dimensional shape of?
Proteins and DNA
The trace element that helps maintain the shape of some proteins by forming bonds is?
An organic molecule that is an important part of cell membranes is?
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