Describe the process of double fertilization in flowering plants
What will be an ideal response?
In flowering plants fertilization is typically a double event. In one event a single sperm joins with a
single egg, creating a diploid cell that will become the embryo. In the other event a single sperm joins
with the central cell of the embryo sac; the central cell begins with two nuclei, so this joining produces
a triploid cell. This triploid cell gives rise to endosperm, a tissue that provides nourishment for the
developing embryo.
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Some mutations have no effect on the organism and are therefore considered neutral
A. true B. false
Triglycerides are stored primarily in this type of tissue.
A. nervous B. epithelial C. muscular D. adipose E. cardiac
An organism that is able to be transmitted from one host to another is said to be ________.
A. infective B. communicable C. virulent D. pathogenic
If 5-bromouracil was added to a culture of actively dividing bacterial cells, resulting mutations could eventually become a stable part of the cellular genome.
Answer the following statement true (T) or false (F)