Groups of cells that work together to provide a specific function are called
A. tissues.
B. organs.
C. organelles.
D. tumors.
E. organ systems.
A. tissues.
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At the microevolutionary level, natural selection is based on genetic differences that give an individual a selective advantage
Indicate whether the statement is true or false
Select the formula below that correctly represents the behavior of CO2 in the blood.
A. CO2 + H2O ? H2CO3 + CO B. CO2 + H+ ? HCO3+ ? H2O + H2CO3 C. CO2 + HCO3- ? H+ + H2O + H2CO3 D. CO2 + H2O ? H2CO3 ? HCO3- + H+ E. CO2 + H2CO3 + O2 ? H2O + CO2 + H2CO3
Which of the following methods uses gene cloning and genomic libraries?
A. Whole genome sequencing D. More than one of these B. Map-based sequencing E. None of these C. DNA base sequencing
The Root vegetables like potatoes, carrots, and beets that we eat store sugars made by photosynthesis, which can later be used for plant growth.
a. true b. false