Today, there are at least ____ living plant species, which collectively make up the Kingdom Plantae

a. 18,000
b. 120,000
c. 280,000
d. 1,200,000
e. 2,800,000


ANSWER: c

Biology & Microbiology

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Conjugation is useful for determining relatedness between bacteria at the species level because it never occurs between organisms of different genera.

Answer the following statement true (T) or false (F)

Biology & Microbiology

Water-soluble hormones affect target cells by binding to __________.

A) adenylate cyclase B) cytoplasmic receptors C) protein kinases D) cAMP E) plasma membrane receptors

Biology & Microbiology

Substances produced in a cell and exported outside of the cell would pass through__________.

a) endoplasmic reticulum (ER) and Golgi apparatus b) mitochondria and Golgi apparatus c) nucleus and lysosomes d)vacuoles and mitochondria

Biology & Microbiology

As a result of the transition from daytime to nighttime, how will the relative concentrations of glyceraldehyde 3-phosphate (G3P) and ribulose 1,5-bisphosphate (RuBP) change in C3 plants?  

A.  The concentrations of G3P and RuBP would remain the same. B.  The concentrations of G3P and RuBP would both decrease. C.  G3P would increase and RuBP would decrease. D.  G3P would decrease and RuBP would increase. Clarify Question What is the key concept addressed by the question? What type of thinking is required?   Gather Content What do you already know about G3P and RuBP? How does C3 plant photosynthesis change from day to night?   Choose Answer Do you have all the information needed to determine which molecule would be affected most?   Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?

Biology & Microbiology