A cat grooming another cat is an example of ________ communication
Fill in the blank(s) with correct word
touch
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In the accompanying figure, the structure labeled as 3 is:
a. the secondary xylem. b. formed by the division of the vascular cambium. c. found adjacent to the pith. d. usually referred to as wood. e. the cork cambium.
You are a forensic technician working on a DNA sample obtained from a crime scene. Your job is to compare the unknown DNA sample with known DNA samples collected from five different suspects. Preliminary analysis using only a few DNA markers revealed that the unknown sample could possibly match two of the suspects. After consulting the case file, you find out that these two suspects are brothers (but not twins). You realize that you will have to do a more detailed analysis on the samples so that you can distinguish between the brothers and determine which brothers' DNA matches the unknown sample.Why can't you use mitochondrial DNA to distinguish between these two suspects?
A. The brothers share the same mitochondrial DNA. B. The sequence of mitochondrial DNA has not yet been determined. C. Because mitochondrial DNA is inherited in a paternal pattern. D. There are no molecular techniques available that allow one to analyze mitochondrial DNA.
During photosynthesis, which of the following is the most important molecule in the conversion of light energy from the sun into chemical energy?
a) oxygen b) glucose c) chlorophyll d) water e) carotenoid
A microorganism grows in the lab on medium containing mineral salts but no organic compounds. The organism is likely to be a(n)
A) heterotroph. B) autotroph. C) chemotroph. D) chemoheterotroph. E) The answer cannot be determined from the information provided.