How many centimeters long is a human fetus at the end of the first trimester?
1.3 cm
2.5 cm
3.10 cm
4.15 cm
2
Biology & Microbiology
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Soil particles composed of decomposing organic matter are called ____
a. sand b. humus c. silt d. clay e. mineral
Biology & Microbiology
Which of the following explains why Ginkgo biloba is often planted in public spaces?
a. Ginkgo biloba trees are resistant to air pollution. b. Male ginkgo biloba trees have a pleasant smell. c. Female ginkgo biloba trees produce attractive flowers. d. Ginkgo biloba trees require minimal water.
Biology & Microbiology
The __________ (nematodes) have an unsegmented body, a cuticle that is molted, a complete gut, and
a false coelom. Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
In mismatch repair, enzymes remove incorrectly-paired nucleotides
__________________ Indicate whether the statement is true or false.
Biology & Microbiology