One of the greatest advantages of sexual reproduction is the generation of variability
Indicate whether the statement is true or false.
true
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True or false. Look at the figure above to answer the questions below. _______ Resting potential is generated only by the movement ions. _______ The voltage differences shown above are measured across the plasma membrane (not deep within the cell). ______
The changes in voltage seen at #2 and #4 in the figure caused by movement of the same types of ions across the membranes. _______ _______ _______ The trace above is following the voltage change as down the axon. The voltage change above is an all-or-nothing response. Different membrane proteins are responsible for generating the voltage change seen at #2 and #4 in the figure. _______ _______ All voltage changes in a neuron's plasma membrane characteristic shape shown above. The changes in voltage shown above are due to the of ions right through the plasma membrane phospholipids bilayer (without the presence accessory protein). What will be an ideal response?
In producing a strand of DNA the nucleotides combine to form what type of bond?
A. hydrogen B. peptide C. phosphodiester D. purine E. ionic
Answer the following questions true (T) or false (F)
1. The endospore stain reveals internal structures within cells of the genera Bacillus and Clostridium. 2. Acid-fast cells such as Mycobacterium lose the color of the primary stain in the presence of hydrochloric acid. 3. Three-dimensional images of specimens can be obtained using scanning electron microscopes.
If a coelom had been present in a species but was then lost over time, which function would you hypothesize could be most affected?
A. reproductive. B. muscular. C. nervous. D. digestive.