A trait cannot be subject to natural selection unless it is heritable
Indicate whether the statement is true or false
TRUE
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The protein p53 activates genes that _____
A) increase mutation rate B) lead to higher production of growth factors for the cell C) increase the rate of endocytosis D) arrest the cell cycle
A ________, a ________, and a ________ are the major parts of a nucleotide, whereas a ________ and a ________ are the major parts of a nucleoside.
Fill in the blank(s) with the appropriate word(s).
The number of trophic levels an ecosystem can support is driven by (select all that apply)
A- The amount of energy available (primary productivity) B-The speed of nutrient cycling (decomposition) C- The population size of top predators in the ecosystem D-The efficiency of energy transfer across trophic levels E- The composition of the plant community
Continuous cell cultures are developed from (embryonic/haploid/neoplastic) cells
What will be an ideal response?