These lipids have a hydrophobic part and a hydrophilic part
A) carotenoids B) phospholipids C) triglycerides D) steroids
Answer: B
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Some species of orchids attract pollinating Hymenoptera (bees and wasps) with flowers that closely mimic the appearance of a female insect. As the male attempts to mate with the flower, he becomes loaded with pollen, helping the plant to reproduce. If one of these orchid plants acquired a loss-of-function mutation in a CYCLOIDEA-like gene, what do you predict might happen?
A. The mutation would quickly spread through the population. B. The mutant plants would have fewer available resources to devote to nectar production. C. The mutant plants would attract larger numbers of pollinating male insects. D. The mutation would fail to spread in the population. Clarify Question What is the key concept addressed by the question? What type of thinking is required? What do you already know about insects as pollinators? What other information is related to the question? Choose Answer Given what you now know, what information is most likely to produce the correct answer? Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
The type of epithelial tissue that forms a multiple layer of flattened cells is
A. stratified squamous. B. simple squamous. C. simple cuboidal. D. simple columnar. E. stratified columnar.
As it carries blood away from a glomerulus, the efferent arteriole divide and form the ________ capillary network, which surrounds the rest of the nephron
Fill in the blank(s) with correct word
Choose the true statement about the role of polyploidization in the evolution of plant genomes.
A. Crop plants rarely show evidence of polyploidization events. B. Genome downsizing following allopolyploidy usually affects the participating hybrids equally. C. Jumping of transposons is most common many generations after a polyploidization event. D. Genome downsizing following allopolyploidy results mainly from duplicate gene loss.