Which of the following is found in eukaryotic cells but not in prokaryotic cells?
A. nucleus
B. mitochondria
C. endoplasmic reticulum
D. lysosomes
E. All of the choices are correct.
Ans: E. All of the choices are correct.
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Among the invertebrate phyla, phylum Arthropoda is unique in possessing members that have _____
A) a cuticle B) a ventral nerve cord C) open circulation D) wings E) segmented bodies
Some bacteria exhibit a primitive form of behavior in that they can sense the properties of their environments and use that ability to make adaptive responses. Which of the following are NOT capabilities of any known bacterium?
A. orientation with respect to the Earth's magnetic field B. move to other bacteria and aggregate with them in response to chemical signals C. find nutrients by moving upward in the water column with the aid of flotation devices D. respond to other individual bacteria and transmit DNA via conjugation E. none of the other options presented
What are two different fates of the products of catabolism? What is the role of these next steps in microbial growth?
What will be an ideal response?
The dermis is composed of connective tissue and serves the primary purpose of providing direct protection from the external environment
Indicate whether the statement is true or false