Sometimes plant species that grow in the same area cannot interbreed because their physical shape has become specialized for different types of pollinators. What type of reproductive isolation is occurring?
a. mechanical
b. ecological
c. behavioral
d. gamete incompatibility
e. temporal
a
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How do fungi reproduce sexually?
A) By the fusion of gametes from two different fungi B) By the fusion of spores from two different fungi C) By the fusion of hyphae from two different fungi D) Fungi reproduce only by asexual reproduction
Packaging of prokaryotic chromosomes
A) doesn't involve histone or histone-like proteins. B) involves large regions of positively supercoiled DNA but lacks histones or histone-like proteins. C) is very simple and lacks higher-level structure, such as looped domains. D) involves structural RNA molecules that contribute to the formation of looped domains. is essentially the same as eukaryotic DNA packaging.
During glycolysis, ATP is produced when 1,3 bisphosphoglycerate transfers a phosphate to ADP forming ATP. This is an example of ________.
A. substrate-level phosphorylation B. photophosphorylation C. oxidative phosphorylation D. glycolytic phosphorylation
An adult patient has just received a diagnosis of brain cancer and is undergoing treatment. Based on what you know about cell division and cancer, why does this seem unusual?
What will be an ideal response?