The cuticle of a plant is primarily for
a. retention of water.
b. conduction of water.
c. absorption of carbon dioxide.
d. protection from strong sunlight.
e. mechanical support
A
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Recombination frequency is ____
a. high if two genes are linked b. a physical measurement of the distance between two genes on a chromosome c. low if crossovers are common between two genes d. measured in centigrams e. used to create linkage maps
Due to the slow and varied growth rates, mycobacteria are commonly grouped into either slow growing or very slow growing, which has consequences on the growth medium selected for culturing
Indicate whether the statement is true or false.
Answer the following statements true (T) or false (F)
1. Capillary electrophoresis is a technique used to separate DNA pieces. 2. Familial DNA search was used in the case of California's "Grim Sleeper." 3. In a familial DNA search, DNA from a crime scene is compared to DNA in databases from convicted felons, and if nearly half the CODIS sites match, a first-degree relative of the convict becomes a suspect. 4. DNA on a glove left at the crime scene is an example of primary DNA transfer. 5. Familial DNA searches are controversial since innocent people may be accused based on sharing CODIS markers with convicted felons.
Which of the following is NOT found in the
epidermis? a. stratified epithelium b. blood vessels c. adhering cell junctions d. keratin e. melanin