For a given area and time period, the amount of solar energy converted to chemical energy in organic compounds is called
A) primary succession.
B) secondary succession.
C) primary production.
D) secondary production.
Answer: C
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Phytoremediation uses the ability of plants to take up __________ dissolved in soil w What will be an ideal response?
ater.
Four of the five answers listed below are regions of the vertebral column. Select the exception
a. cervical b. appendicular c. lumbar d. thoracic e. sacral
A woman inherits a mutant BRCA1 allele from her mother. She has an increased risk of developing breast cancer because
A. some of the cells in her body are already cancerous, meaning that no further mutations are needed for a tumor to form. B. every cell in the woman's body has a copy of the mutant BRCA1 allele. C. she still has one normal allele of the BRCA1 gene that can make up for the loss of function in the mutant allele. D. a mutation in her normal BRCA1 allele may lead to cancer, whereas a normal individual would have to acquire two mutations (one in each allele) to develop cancer. E. the normal BRCA1 allele is more likely to mutate than in an individual without a mutant BRCA1 allele.
If the label on a slide reads Gram-positive bacillus, what would a students expect to see?
A. Red spherical cells B. Blue coiled cells C. Pink helical cells D. Purple rod shaped cells