Teaching Chemistry points me to His existence (and love).
The DNA (aka deoxyribonucleic acid) molecule, a double helix – which contains our very heredity – is held together by pairs of compounds called nitrogen bases. Like an acrobat grasping a trapeze bar, these nitrogen bases grasp each other by hydrogen bonds. And here’s the amazing part – each hydrogen bond is 1.085 nanometers – 1.085 billionths of a meter – in length. How could this have just happened? The Adenine-Thymine bonds are 1.085 nanometers long, and the Guanine-Cytosine bonds are – you guessed it – 1.085 nanometers long. This is in the ballpark of a billionth of a meter! Just look at a ruler and see the centimeter (cm) marked on it. (2.54 cm = 1.00 inch.) Now, divide one cm into 10,000,000 equal parts – and you can get an idea of how very tiny a nanometer is!
Not only is there precision in the Lord’s creation, there is power! We were given a wonderful energy molecule ATP (aka adenosine triphosphate). Just resting, we use 88 pounds of this (which our body keeps synthesizing to replace what was used up) every 24 hours. And with strenuous exercise, we use 1.1 pound per minute or 1584 pounds in 24 hours.
“As the Psalmist David wrote, I am fearfully and wonderfully made.”Psalm 139:14 KJV
God has lavished his care on the tiny creatures too. An ant can lift 50 times its weight! And a flea can jump 150 times its own height, thanks to a stretchy protein molecule called resilin.
We have an enzyme in our bodies called chymotrypsin which helps us digest protein. Enzymes are vital for life – they make reactions happen on time at body temperature. The atoms in chymotrypsin have 2251 (that means 2 multiplied by itself 251 times which is 36 with 74 zeroes after it!) possible ways it can arrange itself, only one of which allows it to function. Guess which form it takes in our bodies! Hmmm.
Another enzyme we need is called ribonuclease. This molecule has 8 sulfur atoms which pair up forming four bridges. There are 105 ways these could pair, only one of which is active in our bodies. Guess which form ribonuclease takes in our bodies! Hmmm.
Look at the detail in our circulatory system.
Each drop of blood contains 220 million red blood cells. Each red blood cell contains up to 333 hemoglobin molecules. Each hemoglobin molecules contains 52 carbon atoms, 832 oxygen atoms, 4664 hydrogen atoms, 812 nitrogen atoms, 8 sulfur atoms, and 4 iron atoms. Could this have just happened? I don’t think so.
Our blood has a pH (acidity level) which must be between 7.35 and 7.45 for health. If it goes lower, we suffer from acidosis. If it goes higher, we suffer from alkalosis. Is it coincidence or divine providence that most of us have a blood pH between 7.35 and 7.45? Preparing a solution like this in lab requires exact measurements of various reagents by a trained chemist; yet our wonderful Lord takes care of this for us! “All things were made by Him (Christ) and without Him was not anything made that was made.” John 1:3 KJV
God also shows care for animals.
While non-migratory birds can be quite lean, migratory birds increase their fat deposits in preparation for long journeys. This is actually a survival mechanism for these birds in that fat is light in weight as shown by the way oils float on top of water. If birds stored energy as carbohydrates instead of fats, and then tried to migrate long distances like from Goya, Argentina, to San Juan Capistrano, CA, (6,000 miles) they would never get off the ground due to their weight. In the words of Jesus: “Behold the fowls of the air: for they sow not, neither do they reap, nor gather into barns; yet your heavenly Father feedeth them.” Matthew 6:26 KJV
What about plants?
Roots of plants have great strength. The roots of a slender birch tree have been known to lift a 20-ton boulder. The root hairs of a big tree, if laid end to end, would measure about 500 miles (about the distance from Belton, TX, to Branson, MO).
The stem of a plant is a waterworks system. A single stalk of corn will lift 440 pounds of water from roots to leaves in the growing season. Through its stem (trunk) an apple tree will lift four gallons of water (32 pounds) of water every hour.
Water is a very unusual chemical!
Very few substances have a solid that is lighter than the liquid form. But without this feature of water, lakes would freeze from the bottom up, obliterating some marine life rather than protecting it. And water has an unusually high heat capacity which helps maintain our body temperature at 98.6 deg C. – even in July in Texas!
After leaving Egypt and being in the desert three days without water, the Israelites found water at Marah – but it was too bitter (alkaline) to drink. As God instructed Moses to toss a tree into the water, the water became sweet! An old tree would have carboxyl (acid) groups on it which would neutralize the basic nature of the water. Biblical Chemistry! Exodus 15:22-25.
And there’s enough water in the world to fill a 25,000-gallon swimming pool more than 1.5 million times – for each person on the planet.
Truly, science is “watching God work!”
As Rosey Grier, original member of the Los Angeles Rams’ Fearsome Foursome said,
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“There is a God, we need Him, and He loves us.”