When all living organisms are included, which biomes contain about 70% of the biomass found on Earth's land surface?
A) forests
B) grasslands
C) tundras
D) deserts
A
Biology & Microbiology
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Phage T4 gains release from the infected host cell like many other double stranded DNA phages by interfering with the activity of enzymes that synthesize peptidoglycan.
Answer the following statement true (T) or false (F)
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Most vitamins are coenzymes
__________________ Indicate whether the statement is true or false.
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Mammal-like reptiles arose during which time period?
a. Triassic period b. Cambrian period c. Devonian period d. Cretaceous period e. Carboniferous period
Biology & Microbiology
Many scientists do not consider viruses to be living organisms. Why is this?
a. because they are surrounded by a capsid b. because they cannot be killed c. because they are dependent on their hosts' metabolic machinery for replication
Biology & Microbiology