While working in a forensic lab, you are given a bit of tissue to analyze. It has several layers. The upper surface consists of dead, flattened cells. As you move deeper into the tissue, the cells look healthier
The bottom layer of cells is actively dividing. Under the dividing layer is an acellular protein goo. You identify the sample as ________ tissue.
A) adipose
B) dense connective
C) cardiac muscle
D) loose connective
E) stratified epithelial
E
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The term that refers to the presence of flagella all over the cell surface is ________.
A. atrichous B. monotrichous C. lophotrichous D. peritrichous E. amphitrichous
Mycorrhizal fungi have a mutually beneficial relationship with plants in environments with soils that
A) are saturated with water. B) have a high clay content. C) are acidic. D) are low in nutrients.
Communities with a high level of bacterial diversity are found in many habitats including soil and aquatic environments. Recent studies indicate this diversity is crucial to the functioning of these communities. The same studies have also found that phage abundance plays a critical role in the maintenance of the bacterial diversity within these communities. What is the probable role of phages in this community? (Check all that apply.)
A) they act as facilitators B) they have a mutualistic relationship with the bacteria C) they parasitize the bacteria D) they have a commensal relationship with the bacteria E) they compete with the bacteria for space and nutrients F) they keep any one species of bacteria from becoming too abundant in the community
Refer to the figure. What is the most likely concentration of the fluid in region E during moderate-volume urine production?
A. 1400 mOsm B. 700 mOsm C. 75 mOsm D. 300 mOsm E. 5 mOsm