Cone-bearing plants have two types of cones: female cones and male cones. ... A pollen tube then grows from the pollen grain toward the female ovule. Sperm cells move through the pollen tube and one of them fertilizes an egg cell, which then develops into a seed.
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Answer:equal to rotation period
explanaition i took the quiz and got this one right
Answer:
Answer is D. 1,2 & 3.
Explanation:
Note that,
* The generic name of a drug is very important because, it will show the chemical name name of the drug when it was first discovered, this will describe the molecular and atomic structure of the drug.
*The contraindication explains the specific situations when a drug should not be used because it may be harmful to the user.
*The user dose shows the quantity of a drug which must be used at a particular point in time.
These three things must be provided before a drug can be approved by the US food and drug administration.
The infant should be given a trial of bronchodilators.
Explanation:
Bronchodilators are compounds that dilates the bronchioles and smoothens the flow of air through them.
The infant has gonorrhea and cough. This shows that he has excessive mucus secretion in his respiratory tract.
Wheezing and prolonged expiration shows that the infant is having breathing difficulty.
Wheezing usually occurs when there is a blockage in the bronchial passage.
Since immunizations are up to date, chances of probable infections are less.
In this case the physician should use a bronchodilator trial to check if the blockage in the bronchus is due to mucus.
Then any further examination should be followed.
