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Which of the following statements regarding the epidermis of plants is correct?
(1) It usually consists of several layers of cells.
(2) It is a permanent tissue.
(3) Root hairs are multicellular projections of epidermal cells.
(4) Trichomes are specialized epidermal cells.
(5) Deposition of suberin in epidermal cells prevent water loss.
How do scientists describe the mechanisms (ways) by which genes are inherited (passed down) from parents to children?
the answer must include the following terms:
trait
gamete
dominant
recessive
homologous chromosomes
meiosis
homozygous
heterozygous
allele
inheritance
genotype
phenotype
fertilization
1. What is meant by “R” and “S” forms of bacterial colonies and what relation do they have to capsule formation?
2. of what practical significance are capsule-forming bacteria in industry?
Why does uracil replace thymine in RNA formation
a mutation that occurs within a DNA sequence
A small lizard spends the morning hours lying in the sunlight until its body temperature rises. Later on in the day, the lizard rests in a shady area until its body temperature cools. This type of behavior is important to
- maintain homeostasis
- detect variations
- attract mates
- obtain nutrients
An elderly patient with emphysema is brought by ambulance to the emergency department. The paramedic states that the patient called them and stated that he did not have any oxygen. The patient is now unconscious. The nurse notes that the oxygen is running at 15L via nasal cannula. The nurse should immediately:
Discuss the relationship between diet,blood pressure,blood cholesterol and circulatory disease.
analyse the relationship between smoking and coronary heart Disease, smoking and lung cancer
Evaluate the effects of smoking on body system
Describe the changes in artery structure associated with circulatory disease.
you could describe the metabolic process of the bacteria that is used during cheese making, indicating the type of respiration that is happening during the process and the chemical reactions necessary for the formation of lactic acid.
