Answer:
A) actin and myosin is a correct answer.
Explanation:
- Myofibrils are the contractile fiber and they are made of actin and myosin.
- Myofibrils are made of thick myofilaments and thin myofilaments.
- Thick myofilaments are made up of myosin whereas thin myofilaments are composed of actin.
- The functional unit of muscle is Myofibrils and contraction of muscle occurs due to myofibril, when the filaments actin and myosin interact with each other.
Thus Myofibrils are made primarily of (A) actin and myosin.
Answer:
C
Explanation:
The exerpt states that movements in the Earth's crust (unbalance) causes Earthquakes. When it's balanced, there is no plate movement.
Answer:
They produce seeds which are encased by an outer layer such as fruit.
Answer: Top 5 Characteristics of Reptiles. Reptiles Are Four-Legged Vertebrate Animals. Most Reptiles Lay Eggs. The Skin of Reptiles Is Covered With Scales (or Scutes) Reptiles Have Cold-Blooded Metabolisms. Reptiles Breathe With the Aid of Lungs.
Explanation:
Balanced blood sugar helps keep our brain healthy, our energy levels stable and our mood balanced. However, when disrupted, our blood sugar can lead to increased sugar cravings, irritability, poor sleep, brain fog, anxiety, low energy and weight gain, and in the longer term, diabetes
