The organelle that pinches off portions of its membrane to form a vesicle used for storage or transport is the ____

Plasmids

a. are self-replicating circular molecules of DNA. b. may be transferred between bacteria. c. may pick up genes from other prokaryotes. d. contains genes separate from the bacterial chromosome. e. fit all of these descriptions

Upon closer inspection of the leaves of "flower of stone," one can observe tiny, cone-like structures. Each cone-like structure emits spores of two different sizes

Further investigation also reveals that the roots of "flower of stone" branch only at the growing tip of the root, forming a Y-shaped structure. Based on these additional observations, which of the following can be properly inferred about "flower of stone"? 1. It is heterosporous. 2. It is a fern. 3. The cone-like structures are sori. 4. It is a lycophyte. 5. It has separate male and female gametophytes. A) 1 and 5 B) 2 and 3 C) 1, 2, and 3 D) 1, 4, and 5

The principal radiation interactions within the human body are assumed to be _____.

a) indirect effects b) direct effects c) DNA damage d) cell destruction

Candidiasis often occurs following antibiotic therapy for bacterial infections

Indicate whether the statement is true or false