In the fall of 2006, which of the following pollinators
started declining due to several factors?
a. butterflies
b. moths
c. bees
d. mosquitoes
e. night feeding bats
Answer: c
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_______ influence the physical appearance of an organism
A. Morphological traits B. Physiological traits C. Behavioral traits
Answer the following statement(s) true (T) or false (F)
1. Plants that sequester heavy metals utilize pressure-flow where they move toxins from the source (soil) to a sink (such as the leaves). 2. A magnesium deficiency would impact the light-independent reactions but not the light-dependent reaction of photosynthesis. 3. A parasitic plant without chlorophyll is likely to lack leaves. 4. A plant with 80 available ATP could produce 10 molecules of NH3. 5. Blocking the proton pumps in a root would result in a more negative membrane potential and an increase in K+ uptake.
The majority of ATP produced in cellular respiration is produced during
a. glycolysis. b. the Krebs cycle. c. the electron transport chain. d. fermentation. e. anaerobic processes.
Relaying a message from a membrane receptor to a molecule that performs a specific function within a cell occurs when
A) a signaling molecule binds to a protein that extends to the outside of the cell. B) a protein receptor on the interior of the membrane becomes bound by a signaling molecule. C) the extracellular matrix is moved to the inside of the cell. D) glycoproteins are recognized by other cells.