Match the following items with the correct phrases.
_______1. Short, hairlike projections used as organelles of locomotion by some eucaryotic cells.
_______2. Found on some bacteria; they serve an antiphagocytic function.
_______3. Found on some bacteria; they enable the bacteria to adhere to surfaces.
_______4. Composed of a protein called flagellin.
_______5. Long, whiplike structures having an internal organization that is described as a “9 + 2” arrangement of microtubules.
a. pili
b. cilia
c. eucaryotic flagella
d. capsules
e. procaryotic flagella
1. b. cilia
2. d. capsules
3. a. pili
4. e. procaryotic flagella
5. c. eucaryotic flagella
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A phylogenetic tree is a diagram that describes a phylogeny. A phylogeny is
A. the evolutionary history of a species or group of species. B. the geographic distribution of populations in a species. C. the generations of individuals in a population. D. the distribution of species in a given area in time. E. a list of character traits of individual species set in a tree diagram.
Which invertebrate has an endoskeleton
a. clams b. lobsters c. sea stars d. earthworms e. shrimp
An antigen produced by a pathogen while living inside a cell is known as an (auto-/endogenous/exogenous) antigen
What will be an ideal response?
Before pre-mRNA is converted to mRNA, a process known as ________ occurs
Fill in the blank with the appropriate word.