To what extent the effect of Bromelain enzyme of Pineapple (Ananas comosus) in different stages of ripeness (Extremely underripe, Underripe, Ripe, Slightly overripe, Extremely overripe) on the weight of Gelatine blocks?

How does the pH of an amylase solution affect the rate of reaction in the breakdown of starch?

How does increasing pH levels ( 3, 4, 5, 6, and 7) affect the fermentation rate (ppm) of yeast (Saccharomyces cerevisiae) when reacting in a 10% sucrose (C12H22O11) solution?

Effects of different concentrations of Amoxicillin (0.00M, 0.02M, 0.04M, 0.06M, 0.08M, 0.10M ) on the growth of Phaseolus vulgaris as measured by the shoot length in millimeters (± 0.1) using 30 cm ruler ( ± 0.05) for 15 days.

What is the effect of different masses of ascorbic acid (0.00g, 0.25g, 0.50g, 0.75g, 1.00g in 100 mL water) on the browning rate of apple cubes, measured by absorbance using a spectrophotometer?

How does varying concentration of the maltose solution of 0.000M, 0.009M, 0.0018M, 0.036M, 0.072M (±0.0001) affects fermentation in Saccharomyces cerevisiae (Brewer’s yeast) by measuring the time in seconds (±0.5 ) taken for 1.0M Ca( ) (0.01) to form white precipitate ?

To what extent does the concentrations of Lactococcus lactis, 0.50g/50ml, 1.00g/50m/, 1.50 g/50ml, 2.00g/50ml, and 2.50(±0.01)g/50ml affect the fermentation of 50.0(±0.5ml) Bos taurus (cow’s milk) measured by a decrease in pH after 12 hours (±0.2 seconds) using a pH meter (±0.05 pH units) at a constant temperature of 30.0°C (±0.1)

How does temperature (23 °C, 32 °C, 37 °C, 43 °C) affect the rate of CO2 production in the process of yeast fermentation?

What is the effect of different concentrations (0%, 50%, 65%, 75%, 85%, 100%) of a disinfectant on the growth of Staphylococcus aureus (S. aureus) bacteria in a petri dish?

How does exposure to increasing concentrations of indoleacetic acid (IAA) 0.0g/ml, 0.1g/ml,0.2g/ml,0.3g/ml and 0.4g/ml (±0.01 g/ml ) affect the growth of)Triticum aestivum seedlings as measured by the rate of root elongation (radicle length) in mm (30.5 mm) 7 days after germination in a lab.

How does amylase influence the breakdown of starch in processed and unprocessed foods?

How does different concentration of Abscisic acid 0.00 g/dm³, 0.50 g/dm³, 1.75 g/dm³, 3.00 g/dm³, 4.25 g/dm³ and 5.50g/dm³ (±0.01) affect the rate of transpiration of Lycopersicum esculentum (tomato plant) as measured by the distance travelled by the air bubble over the time taken 12 hours (±0.001s)?

To what extent does an increase in temperature from 10.0, 20.0, 30.0, 40.0, and 50.0 (±0.5) °C affect the reaction between an extract from Musa acuminata (M. acuminata) and 2.35 M (±0.01 M)hydrogen peroxide, measured by the volume of oxygen produced using a gas syringe (±0.5 cm³)?

To what extent does an individual’s heart rate vary when listening to music with varying music tempos (-40 bpm, -20 bpm, +0 bpm, +20 bpm, +40 bpm) for 3 minutes?

What is the effect of varying lactase concentrations (5mg/mL, 25mg/mL, 50mg/mL, 100mg/mL, 150mg/mL) on the breakdown of lactose monohydrate, as determined by the absorbance of a spectrophotometer set at 540nm (±0.001nm) that indicates the concentration of monosaccharide glucose present after the 3-minute reaction?

What effect does varying the concentration (0.1, 0.2, 0.3, 0.4, 0.5 mMol) of galactose as a competitive inhibitor have on the rate of lactose hydrolysis by lactase, measured by the amount of glucose produced (in mg/dL) using a glucometer after 90 minutes of heating in a 37℃ water bath?

Is There a Correlation Between the Width of The Left Ventricular Cavity and The Width of The Septum in Mammalian Hearts?

How does increasing the mass of black tea powder (15g, 30g, 45g, 60g, 75g) & NPK fertilizer (0.25g, 0.5g, 0.75g, 1g, 1.25g) influence the sugar concentration on Long beans (Vigna sinensis L), measured by the brix% (%mas sucrose) using a refractometer?

How‬‭ does‬‭ the‬‭ concentration‬‭ of‬‭ green‬‭ tea‬‭ (‬‭ 0.000‬‭ g/mL,‬‭ 0.002‬‭ g/mL,‬‭ 0.004‬ ‭ g/mL,‬‭ 0.006‬‭ g/mL,‬‭ 0.008‬‭ g/mL,‬‭ 0.010‬‭ g/mL)‬‭ affect‬‭ the‬‭ rate‬‭ of‬‭ decomposition‬‭ of‬‭ hydrogen‬ ‭peroxide‬‭ catalysed‬‭ by‬‭ catalase,‬‭ as‬‭ measured‬‭ by‬‭ volume‬‭ of‬‭ oxygen‬‭ gas‬‭ (mL/s)‬‭ produced‬‭ in‬‭ 30‬ ‭seconds?

How does biodiversity, as quantified by Simpson's Diversity Index (SDI), vary with increasing distance (0 to 50 metres) from the low to high intertidal zones in Tioman Island, Malaysia?

To what extent is there a correlation between light intensity and plant biodiversity as measured by the Simpson’s Diversity Index?

What is the effect of pH (2, 3, 4 and control 8) on the frequency of vegetative budding in common duckweed (Lemna minor) over seven days?

Is there a relationship between the abundance of sea lettuce (Ulva lactuca) (categorized by SACFOR) and the density of common limpets (Patella vulgata) in a marine environment at Helwell Bay?

How does the annual HIV incidence rate correlate with the mortality rate from non-Hodgkin lymphoma in Indonesia from 1990 to 2020?

How do varying concentrations of fungicide Dithiocarbamate (Propineb (70 WP)) (0 (Control), 50, 100, 200, 400, 800 ppm) enriched with Knop9s Nutrient medium affect the Chlorophyll a and b content (in ¿g/cm³) measured using a spectrophotometer and germination percentage by counting number of seeds germinated of red Amaranthus (Amaranthus dubius) and green Amaranthus (Amaranthus viridis) after 5 days?

How does catalase activity in different plant species: Daucus carota (carrot), Cucumis sativus (cucumber), Solanum tuberosum (potato), Brassica oleracea (broccoli), and Actinidia deliciosa (kiwi) vary, as determined by the volume of oxygen gas released (mL) after a 6-minute reaction time?

To what extent do different pH values of common liquids in the human diet (2.4, 2.6, 3.2, 3.8, 4.2) affect the change in mass (g) of eggshells when submerged for 24 hours and 48 hours to model tooth decay?

How does the change in sunscreen SPF (30, 50, 80, 100) affect the water loss, measured through a change in mass, of pig’s skin (Sus domesticus) when exposed to 24 hours of UV radiation?

How does presence of NaCl affect the photosynthetic ability of a halophyte plant (Medicago marina) compared to a non-halophyte plant (Cupressus sempervirens) as measured using a carbon dioxide sensor?

What are the patterns of clovers (Trifolium) growing in different environments of sunlight, walkability, proximity to city center / water, altitude and meadow frequency in Lithuania during the month of September?

What effect does agarose gel concentration (1% ± 0.0351%, 2% ± 0.0402%, 3% ± 0.0453%, 4% ± 0.0504%, and 5% ± 0.0555%) have on the distance travelled (mm ± 5mm) by bacteriophage λ cI‬ ‭ 857‬‭ Sam7 DNA bands in agarose gel electrophoresis?

What is the effect of the socio-economic development of European countries, as measured by the HDI, on the mortality rate from hypertensive heart disease within the older population (50+)?

How does the presence of earthworms influence the growth of stem in length [cm] of monocots (Avena sativa) and dicots (Phaseolus vulgaris) as measured by the mean height of the stem through 25 days?

What is the effect of the concentration (0%, 20%, 40%, 60%, 80%, 100%) of tea tree (Melaleuca alternifolia) oil on the growth of bacteria (non-pathogenic DH5- Alpha Escherichia coli) measured in the diameter of the inhibition zone around the paper disc?

What is the effect of increasing iron (III) chloride concentration (0 mg/L, 2mg/L, 4mg/L, 6mg/L, 8mg/L, 10mg/L) on the growth of duckweed (Lemna minor) in terms of change in number of leaves over 5 days?

How do altering salicylic acid concentrations (0.0%, 0.5%, 1.0%, 1.5%, 2.0%) affect the germination of Capsicum annuum longum seeds measuring the radicle length (mm) of the sprouts over 7 days?

How does the concentration of 50ml of ethanol solution (15%, 30%, 45%, 60%, 75%) influence the cell membrane permeability of beetroot, measured by the absorption transmission of light (Au) using a colorimeter, for 10 minutes?

How does the variety of Capsicum annuum L. (green bell pepper, yellow bell pepper, red bell pepper, red sweet long pepper) and Allium cepa L. (yellow onion, red onion, white onion) influence their vitamin C content in mg/100g, as measured by vegetable juice volume needed to titrate 2 ml of 0.1% DCPIP solution?

To what extent do different herbal teas (peppermint, ginger, lemongrass, turmeric, and chamomile) affect the activity of α-amylase enzyme, measured using a spectrophotometer (± 0.001A.U) to record the wavelength absorbance at 430nm after the addition of iodine to the solution?

How does the concentration of Punica granatum (pomegranate) extract, in terms of the percentage volume-by-volume ratio of pomegranate juice to water, affect the digestion of starch by the enzyme amylase, as measured by UV-visible spectrophotometry while keeping the weight-by-volume concentration of starch (1%), weight-by-volume concentration of amylase (0.5%) and incubation temperature (35 ̊C) constant?