A. I believe
sorry if wrong <333
Answer:
The correct answer is myofibrils
Explanation:
The fundamental part of the muscle cytoskeleton is made up of myofibrils that are the contractile elements of skeletal muscle cells.Muscle fibers are made up of myofibrils, membranes, and cytoskeletal networks that anchor contractile fibrils to the sarcolemma. Myofibrils are composed of repeating contractile units known as sarcomeres and are perhaps the most ordered macromolecular structures in eukaryotic cells. Myofibrils are made up of actin and myosin filaments that are large polymerized protein molecules responsible for actual muscle contraction.
Answer:
B
Explanation:
i did this this year in my 9th grade tech class and got it right
Answer:
the sun
Explanation:
All the energy in oil, gas, and coal originally came from the sun, captured through photosynthesis. In the same way that we burn wood to release energy that trees capture from the sun, we burn fossil fuels to release the energy that ancient plants captured from the sun.
hope this helps
Answer:
Fruit
Explanation:
Often plants will store food very close to their seeds, this food storage is called a fruit. A fruit is a form of plant food storage that serves two purposes for the plant. It attracts animals to eat the fruit and spread the seeds contained in the fruit. The fruit also provides a source of food for the growing seeds.
