GACE Biology (710) case studies
GACE Biology (710) · Put your knowledge to work in context.
The GACE Biology (710) assessment is one of the subject-area tests Georgia uses within its educator certification system for teachers. Candidates typically take it to qualify for a biology teaching field, whether they are completing a preparation program, adding an endorsement, or coming from out of state and needing Georgia certification. The GACE Biology (710) case studies are 5 cases and about 4,258 words.
1Duckweed, Blue Light, and a Confounded Cabinet
Priya wants to test whether blue light increases growth in duckweed (Lemna minor) relative to white light. She fills six 250 mL cups with 200 mL of pond water and adds 10 fronds to each.
877 words, about 4 min2A 'Cellular Energy Booster' That Makes ATP Disappear
In a cell biology lab, students isolate mitochondria from rat liver and suspend them in buffered medium containing succinate and inorganic phosphate. Oxygen consumption is measured with a Clark-type electrode and ATP synthesis with a luciferin–luciferase assay, both normalized to milligrams of mitochondrial protein.
823 words, about 4 min3A Hardy–Weinberg Test That Fails in the Wrong Direction
In a college genetics lab, 200 students genotype themselves at a biallelic single-nucleotide locus using a PCR-RFLP assay: the A allele retains a restriction site and yields two fragments, the G allele does not cut. Scored gel phenotypes are AA 110, AG 60, GG 30.
836 words, about 4 min4Reading a Stream Restoration Through a Drought
In 2019 a watershed council restored 1.2 km of Cedar Creek by adding large woody debris, removing a culvert, and reconnecting the channel to its floodplain. Monitoring compares the restored reach with two unrestored reference reaches upstream and downstream.
856 words, about 4 min5Water, Sodium, and a Confused Ultramarathoner
A 41-year-old runner finishes a 50 km trail race in 7 hours at 31 °C and 55% relative humidity. He weighs 70.0 kg at the start and 68.4 kg at the finish and reports drinking about 4.5 L of plain water with little food.
866 words, about 4 min