The G1 checkpoint is used to determine which of the following?
a. if DNA replication has finished
b. if the chromosomes have lined up at the metaphase plate
c. if sister chromatids are attached to spindle microtubules properly
d. if adequate reserves and cell size have been reached
d. if adequate reserves and cell size have been reached
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Both root hairs and mycorrhizae _________. (Select all correct answer options.)
A. increase the surface area for nutrient uptake B. consume carbohydrates C. increase the volume of soil accessible to the plant D. enhance the binding of the roots to the soil
In the reaction glucose + fructose ? sucrose + water, _____ is a reactant and _____ is a product.
Fill in the blank(s) with correct word.
Which of these structures does not begin development during embryogenesis?
A. Vascular tissue B. Ground tissue C. Floral primordia D. Leaf primordial E. Apical meristem
Long before Charles Darwin, Jean-Baptiste de Lamarck understood all of the following ideas about evolution except that:
A) species change over time. B) there is variation in populations. C) evolution leads to adaptation. D) natural selection is the primary cause of evolution.