What role do mycorrhizae play in helping plants survive?
What will be an ideal response?
Mycorrhizae help plants obtain nutrients such as nitrogen and phosphorus from the environment and improve water uptake by plant roots.
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If an mRNA carries CUCGAU as a sequence,
what would be the complementary sequence on the DNA?
a. CTCGAT b. GUGCUA c. GTGCAT d. GAGCTA e. ACATGC
Why is the number used to demonstrate total cholesterol not sufficient for describing one’s cardiac health risk? What will be an ideal response?
A sequence of bases located upstream from a reference point occurs:a
towards the 3? end of the amino acid sequence. b. towards the 5? end of the mRNA sequence. c. towards the 3? end of the mRNA sequence. d. towards the 5? end of the transcribed DNA strand. e. towards the carboxyl end of the amino acid sequence.
Which of the following is a characteristic of tundra?
A. permafrost B. more than 100 cm of rain a year C. deciduous forests D. temperate climate E. high biodiversity