Biochemistry/Cell Biology
Which of the following types of cells is a direct product of meiosis?
A. egg
B. muscle
C. nerve
D. skin
A. egg
What are two types of digestion?
1. Mechanical
2. Chemical
What colour is deoxygenated blood?
Red (slightly darker than oxygenated blood)
Deoxyribonucleic Acid
Which body system carry signals from one part of the body to another part of the body?
Nervous system.
Which process is directly responsible for the formation of hair cell?
A. meiosis
B. mitosis
C. nitrogen fixation
D. osmosis
B. mitosis
Where does absorption mostly occur?
1. Large Intestines
2. Small Intestines
3. Stomach
4. Pancreas
What is the name of the first chamber blood enters in the heart? Include the correct side of the body.
Right atrium.
What is the monomer of DNA called?
Which of the following structures transmits nerve impulses between the brain and most motor and sensory neurons?
A. carotid artery
B. diaphragm
C. esophagus
D. spinal cord
What are cell membranes made of?
A. amino acids
B. ATP
C. DNA
D. fatty acids
D. fatty acids
What are the four stages of digestion?
1. Ingestion
2. Digestion
3. Absorption
4. Elimination/Egestion
Why is the heart considered a double pump?
Explain the process
The right side pumps deoxygenated blood to the lungs, whilst the left side pump oxygenated blood to the body.
What are the four nitrogenous bases and how do they pair?
Cytosine and Guanine
Adenine and Thymine
Name at least four of the eleven body systems.
Muscular
Endocrine
Respiratory
Lymphatic
Integumentary (skin)
Nervous
Skeletal
Circulatory/cardiovascular
Reproduction
Urinary
Digestive
Fructose is a simple sugar that can be a source of energy for the body. What type of organic molecule is fructose?
A. carbohydrate
B. lipid
C. nucleic acid
D. protein
A. carbohydrate
Peristalsis
Which ventricle is more muscular and why?
The left ventricle is more muscular as it needs to pump blood throughout the entire body.
Meiosis I
During a running race, a person’s breathing rate and heart rate increase. These changes most directly help the person do which of the following?
A. increase the rate of digestion
B. decrease the rate of gamete production
C. decrease the rate of protein synthesis in neurons
D. increase the rate of cellular respiration in mitochondria
D. increase the rate of cellular respiration in mitochondria
What is the name of the structure that produces spindle fibres that separate chromatids during anaphase?
Centrioles
Centrosomes (a pair of centrioles)
What are the four major biomolecules?
1. Carbohydrates (Sugars)
2. Lipids (Fats)
3. Proteins
4. Nucleic Acids
In the middle agers it was believed that blood pumped was back and forth through the capillaries. Today we know it only goes in one direction. Why does blood only flow in one direction?
One way valves inside the heart and veins.
Which part of a DNA molecule holds the information that is eventually translated into a protein?
Nitrogenous bases.
Diploid = 46
Haploid = 23