IB Bio HL2 Internal/External Assessment Padlet by John Marshalek

johnmarshalek — 2024-09-04 14:58:08 UTC

johnmarshalek — 2024-09-04 14:59:02 UTC

johnmarshalek — 2024-09-04 15:00:22 UTC

johnmarshalek — 2024-09-04 15:02:38 UTC

johnmarshalek — 2024-09-04 15:05:21 UTC

How do varying concentrations of potassium chloride (0%, 2%, 5%, 10%, 15%, 20%) affect the rate of carbon dioxide production in yeast during fermentation?

ilevi1 — 2024-09-04 19:04:07 UTC

What is the effect of changing the amounts of VAM (vesicular-arbuscular mycorrhiza) have on radish (raphanus sativus) growth rate as determined by the dry weight of shoots taken from germinating seeds affected by 1g/2g3g/4g/5g of VAM per square inch?

jgonzales15_1 — 2024-09-04 19:41:22 UTC

esosa4_1 — 2024-09-05 19:03:08 UTC

To what effect do solutions (water+ baking soda) with different concentrations (1g, 3g, 5g, 9g, 11g) affect the rate of oxygen produced after photosynthesis?

satiah1 — 2024-09-05 19:05:30 UTC

How does the pH of yogurt change during the fermentation process, (0min, 30min, 60min, 90min, 120min, end of process)?

lmendoza10_1 — 2024-09-05 19:05:30 UTC

To what effect does the concentration of glucose (in grams) influence the rate and total amount of CO2 produced by yeast during fermentation?

To what effect do the varying temperatures of 55, 65, 75, 85, and 95 degrees Celsius influence the amount of ascorbic acid within Fuyu persimmons (Diospyros kaki Fuyu)?

vtroncoso11 — 2024-09-05 19:05:34 UTC

apowell185 — 2024-09-05 19:05:42 UTC

How does the addition of Magnesium Chloride (MgCl₂) ( .1, .5, 1.0, 2.5, and 5.0mM) affect the rate of oxygen production of Euglen Gracillis cells?

To what effect does varying concentrations of acetone (0%, 10%, 20%, 30%, 50%) affect the rate of starch (flour 68-75% starch) hydrolysis by amylase.

lgiron51 — 2024-09-05 19:06:22 UTC

abanagyo1 — 2024-09-05 19:09:15 UTC

How does the solution of water and giberellic acid in different concentration (0.2, 0.2, 0.4, 0.6, 0.8, 1 µL) affect the mitotic index of the onion’s root?

What is the difference between the effect of amylase and sugar content in organic and genetically modified Pyrus communis (pears)?

2024-09-05 19:12:35 UTC

avelasco202 — 2024-09-05 20:46:25 UTC

How do the varying calcium-phosphate concentrations of (1.5 g, 2.5 g, 3.5 g, 4.5 g, and 5.5 g) influence the final biomass of button mushrooms (Agaricus bisporus) when placed into the growth medium?

btuai1 — 2024-09-08 04:46:08 UTC

To what effect does increasing the concentration of ethanol in solution (0%, 0.5%, 1.0%, 2.0%, 5.0%) inhibit the rate of enzymatic activity of catalase in sweet potatoes (Ipomoea batatas), as measured by breakdown of hydrogen peroxide into oxygen gas?

dnostitz1 — 2024-09-09 19:44:24 UTC

How does the presence of heavy metal ions (copper sulfate) affect the activity of pepsin in the digestion of proteins?

ksalvosa1 — 2024-09-10 03:47:25 UTC

To what extent does (10mg, 50mg, 100mg, 500mg) concentrations of microplastics affect the activity of key soil enzymes and overall the function of microbial communities?

btorres121 — 2024-09-10 04:30:52 UTC

How does: the solution of water and 0%, 3% 5% 7%, 10%, 12.5% of chelated micronutrients affect the osmotic pressure of Seaweed:Rhodophyta (red), Phaeophyta (brown) and Chlorophyta (green) macroalgae. ?

ipaula1 — 2024-09-10 15:03:44 UTC

How significant is the impact of different pH levels (pH 1, 3, 5, 7, 9 and 11) on the denaturation of catalase in Prunus avium (sweet cherry)?

galmaraz11 — 2024-09-27 18:42:35 UTC

To what effect does varying levels of pH (pH 3, 5, 7, 9, and 11) influence the rate of O₂ released in celery (Apium graveolens) during its catalytic process of catalase breaking down hydrogen peroxide?

To what extent does varying light intensity influence the rate of photosynthesis in an aquatic plant, as measured by the number of oxygen bubbles produced?

2024-09-27 19:12:46 UTC

2024-09-27 19:15:03 UTC

To what extent do different soil pH levels influence the rate of germination on radish seeds (Raphanus sativus)?

sguzman616 — 2024-09-27 19:17:55 UTC

How does the variation of temperatures (5℃, 10℃, 15℃, 20℃, 25℃) affect the efficiency of the culmination of HCL and table salt (stomach acid juice) measured by pH?

How do different concentrations of seaweed, as a biofertilizer, affect the growth rate of green onions (Allium fistulosum)

dmendoza152 — 2024-09-27 19:23:17 UTC

To what effect does the variation in biodiversity of non-native species of plants impact the biodiversity of native species of plants at local beaches, local gardens, local parks, local rivers, local hike trails?

msanchez407 — 2024-09-27 19:32:29 UTC

How does increasing nitrates concentrations (1%, 3%, 5%, 7%, 10%) effect the biomass of guava beans (Vicia Faba) during the germination process?

alopez1322 — 2024-09-27 19:44:54 UTC

To what extent do varying temperatures (0C, 10C, 20C, 30C, 40c) impact membrane permeability in Beta vulgaris?

forellana2_4 — 2024-09-27 19:49:18 UTC

amorales83_1 — 2024-09-27 19:55:40 UTC

How do varying temperatures (35C,45C,55C,65C,75C) affect the catalase activity in mushroom(Agaricus bisporus) and potato extract ( Solanum tuberosum) extract?

jmartinez1401 — 2024-09-30 18:10:01 UTC

How is the rate of protein digestion by trypsin affected by varying salt concentrations ( 0g, 5g, 10g, 15g, 20g ) ?

cblanco116 — 2024-09-30 19:06:51 UTC

To what extent do different amounts of concentrations of sugars (Glucose, Fructose, Sucrose, 1%, 5%, and 10% ) affect the ripeness of the bananas over time?

cblanco116 — 2024-09-30 19:07:02 UTC

How do different amounts of concentrations of sugars (Glucose, 0%, 1%, 5%, 10%, and 20% ) affect the ripeness of the bananas over time?

What is the difference between the effect of amylase(1g,2g,4g,5g) and sugar content in genetically modified and organic glutinous rice (oryza sativa var. glutinosa)?

2024-09-30 19:10:12 UTC

johnmarshalek — 2024-09-30 20:19:24 UTC

johnmarshalek — 2024-10-04 20:08:39 UTC