One factor that seems to aid in maintaining lipid stability in hyperthermophilic Archaea is that dibiphytanyl tetraether lipids form a(n)

A) covalently bonded monolayer cytoplasmic membrane.
B) interlocking bilayer cytoplasmic membrane.
C) interlocking lattice with the cell wall.
D) pseudomembrane immediately inside the cytoplasmic membrane.


Answer: A

Biology & Microbiology

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The simplest sugars are called ____________________, and two of these sugars linked together form a(n) ____________________

Fill in the blank(s) with correct word

Biology & Microbiology

In a study examining the effects of disturbances and recruitment on the growth of coral in a portion of the Great

Barrier Reef, researchers concluded that changes in the coral colonies are ____.

a. due to external factors only. b. due to internal factors only. Chapter 53 - Population Interactions and Community Ecology Cengage Learning Testing, Powered by Cognero Page 16 c. due to both external and internal factors. d. solely due to human interference. e. not observable after disturbances

Biology & Microbiology

Which of the following plant hormones was discovered in infected rice seedlings that grew extremely tall and slender with "foolish seedling disease"?

A. auxin B. ethylene C. cytokinin D. gibberellins E. abscisic acid

Biology & Microbiology

Which of the following is not an endocrine gland?

What will be an ideal response?

Biology & Microbiology