Immersion oil increases the amount of light entering the objective lens.
Answer the following statement true (T) or false (F)
True
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You see a red, tubular flower with no distinct scent. It is likely pollinated by a _______
A. bird B. bat C. bee D. rodent E. beetle
What is a major consequence for plants and animals if current predictions of global warming are accurate?
A. Rates of natural selection will increase at the same pace. B. New continental land masses will appear. C. Water will be more widely available for plants and animals. D. Anticipated changes in climate will occur faster than many organisms can move or adapt. E. Many plants and animals will become smaller.
An ________ pregnancy is one where the blastocyst implants somewhere outside of the uterus, such as in the oviduct
Fill in the blank(s) with correct word
The difference between normal and sickle-cell hemoglobin is based upon the __________________.
A. number of amino acids in the molecule B. substitution of one amino acid for another C. number and orientation of the amino acid chains attached to the heme portion of the molecule D. number of oxygen molecules that can be carried E. type of bone marrow that produces it