Environmental effects have no impact on true-breeding, homozygous strains (inbred lines) of plants or animals
A. true
B. false
B
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You are a forester charged with increasing productivity in a South American forest newly planted with pines from Oregon
You believe that the southern forest lacks the fungal diversity needed by the North American pines, and that this lack of fungi is affecting the pines' productivity, but you have no evidence to support your ideas. To count how many fungal species were present in the Oregon forest, which methodology would you choose? A) Count all the plant species and multiply by six, as David Hawksworth did when determining the ratio of fungal to plant species in England. B) Collect all the fruiting structures (mushrooms, morels, etc.) found above ground. C) Do direct sequencing on representative soil samples from across the forest. D) Expose the trees to radiolabeled carbon dioxide and then collect the soil samples with the greatest radioactivity and do direct sequencing.
The taxonomic category that includes all bipedal primates is the ______________. Fill in the blank(s) with the appropriate word(s)
Fungi produce spores by which of the following processes?
A) binary fission B) mitosis C) meiosis D) gene conversion E) cloning
The fluid-mosaic model considers the cellular membranes to consist of ________ layer(s) of phospholipid molecules and that the individual phospholipids are able to move about within the structure of the membrane.
A. 1 B. 2 C. 3 D. 4