Entamoeba histolytica can cause amoebic dysentery. It moves using pseudopodia, can only feed by phagocytosis and is unicellular. Entamoeba histolytica is which of the following?
a. A protozoa
b. An algae
c. A slime mold
d. A diatom
e. An apicomplexan
Ans: a. A protozoa
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________ occurs as a result of cartilage wearing down over the course of a lifetime
a. Sprains b. Dislocations c. Rheumatoid arthritis d. Strains e. Osteoarthritis
The comparison between the number of human genes and those of other animal species has led to many conclusions, including that _____
A) the density of the human genome is far higher than in most other animals B) the number of proteins expressed by the human genome is far more than the number of its genes C) most human DNA consists of genes for protein, tRNA, rRNA, and miRNA D) the genomes of most other organisms are significantly smaller than the human genome
Condensins ________________
(a) are degraded when cells enter Mphase. (b) assemble into complexes on the DNA when phosphorylated by M-Cdk. (c) are involved in holding sister chromatids together. (d) bind to DNA before DNA replication begins.
While standing at the top of the stairs, you have a potential energy of 40 Joules. If you walk all the way down the stairs, what would your potential energy be at the bottom of the stairs?
A. 0 Joules B. 20 Joules C. 40 Joules D. 80 Joules