Exceptions to the principle of independent assortment were discovered and explained by ____ as
resulting from genes being physically associated with each other on the same chromosome.
a. Watson
b. Sturtevant
c. Morgan
d. Mendel
e. Crick
C
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When a protein is synthesized, cis- or trans-splicing of that protein occurs
A. between transcription and translation. B. prior to transcription. C. following translation. D. during transcription.
Answer the following statements true (T) or false (F)
1. Freshwater fishes are hypoosmotic. 2. Habituation is a type of learning. 3. Migration only occurs in vertebrates. 4. The main advantage of a territory is that it provides exclusive access to some resource. 5. Only invertebrates show true eusociality.
Approximately 99% of the microbes in the intestines are obligate anaerobes. We have plenty of blood vessels that can bring oxygen to the tissues of the intestines
Why would there be obligate anaerobes within these areas? A. The bacteria in the intestines are protected from exposure to the oxygen in the tissues by the lining of the intestines. B. The bacteria consume all the oxygen in the tissue areas brought by the blood vessels, creating an anaerobic environment. C. The inside space of the intestines, where bacteria reside, is highly anaerobic. It is deep inside the body where oxygen cannot reach AND, unlike the surrounding tissues, it is not supplied with blood. D. The aerobic microbes are outcompeted for nutrients in these areas by the anaerobic microbes.
Which action causes the release of neurotransmitter molecules?
A) the reception of a signal from the postsynaptic neuron B) an electrical signal reaching the end of the cell body C) an electrical signal reaching the terminal bouton D) an electrical signal reaching the beginning of the dendrite