Answer:
False
Explanation:
Approximately 200 out of 200 million sperms ejaculated during intercourse reach the general vicinity of the egg. They sperms must undergo capacitation during which dilute inhibitory factors fluids of the female reproductive tract weaken the membrane of the sperm head so that head of the sperm can be broken easily when it came in contact with the egg.
The first sperm to reach an egg isn’t the one to fertilize it because the egg is surrounded by a gelatinous membrane called the zona pellucida. Outside this layer, a layer of small granulosa cells also present.
Therefore, it requires numerous sperm to clear a path through these barriers before one of them can penetrate the egg and fertilize it.
Answer:
Explanation:
Adductor muscles are those muscles which pulls the body part away from the midline of the body. It draws the body part to the extremities. These are found in various parts of the body such as human thigh bones such as adductor longus, adductor mugnus and adductor brevis. These muscles in the thigh helps in providing the flexibility and rotation.
In the thumbs there is adductor pollicis. In the toes there is adductor hallucis.
<span>the way a mineral cleaves reveals its crystal structure. true.
</span>
<span>By definition, a mineral must have a crystal structure.</span>
<span>which some organisms have learned to harness energy from sources other than the sun, including geothermal energy. That heat energy allows them to form energetic molecules of their own.</span>
Answer: Option D) is where cellular respiration occurs.
Explanation:
The mitochondria of the cell is a double-membraned organelle and serve as a site of respiration in plant and animal cells.
Thus, the generation of energy in form of ATP molecules occur within the inner membrane of the mitochondria.
