How does a fungus receive nourishment from its environment?
What will be an ideal response?
The best answers need to include that fungi secrete digestive enzymes into their surrounding environment. The organic matter "food" is digested outside the fungal body. The fungi then absorb the broken down materials from their environment.
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Photoperiodism in Arabidopsis thaliana depends on which of the following factors? Select all correct choices
A. the activation of photoreceptors B. daily fluctuations of CONSTANSmRNA C. daily fluctuations of AUXIN mRNA D. the accumulation and stabilization of CONSTANS E. the accumulation and stabilization of AUXIN F. the inhibition of phytochrome
Which cellular response follows activation of a ligand-gated ion channel?
a. direct regulation of gene expression b. generation of an electrical signal
c. activation of a phosphorylation cascade d. activation of a second messenger pathway e. direct activation of a kinase
Which of the following statements concerning
cancer is most accurate?
a. Neoplasms are usually cancerous. b. Neoplasms have lost control over cell division. c. Tumor cells have an increased capacity for adhesion. d. Benign tumors often spread to other body parts. e. Metastasis is cell division which is stationary.
adhesion
What will be an ideal response?