The ________ are the macrophages of the central nervous system.

Fill in the blank(s) with the appropriate word(s).


Answer: microglia

Biology & Microbiology

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The above figure represents a plant structural

feature with which of the following functions? a. reproduction b. gas exchange c. water conservation d. water transport e. both gas exchange and water conservation

Biology & Microbiology

Human embryos have a developmental stage during which they have a tail and pharyngeal pouches (those pouches develop into gills in fish). How can we explain these characteristics of human embryos?

A) Human embryos need a tail and gills to breathe during development in the placenta. B) Human embryos spend time in the water where tails and gills are useful. C) Human embryos share a common ancestor who had gills. D) Both A and B are correct.

Biology & Microbiology

Briefly explain how Ti plasmids induce crown gall (tumor) growth in plants parasitized by Agrobacterium tumefaciens, highlighting the specific properties that make this plasmid so useful in biotechnology

What will be an ideal response?

Biology & Microbiology

Which part of a fungus penetrates inside of a plant?

A. hyphae B. fruiting bodies C. spores D. pili E. flagella

Biology & Microbiology