The number of mitochondria per cell varies widely; for example, in humans, erythrocytes (red blood cells) do not contain any mitochondria, whereas liver cells and muscle cells may contain hundreds or even thousands. The only eukaryotic organism known to lack mitochondria is the oxymonad Monocercomonoides species.
Answer:
- She does not carry the gene for cystic fibrosis.
Explanation:
Due to technical problems, you will find the complete explanation in the attached files
Answer:
In general, meat-eating carnivores have teeth for tearing and skulls capable of biting with great force, while the plant-eating herbivores have teeth and skulls equipped to grind tough vegetation. Omnivores, which eat both plants and animals, have skulls and dentition suitable for a wide range of foods.
Answer:
The correct answer is a. Seminal vesicle
Explanation:
Seminal vesicles are the pair of glands that are found in the male pelvic region below the urinary bladder. Seminal vesicles produce about 60% of fluid present in the total semen ejaculate therefore without seminal secretion semen would be very low in volume.
The seminal fluid contains nutrients like fructose that provide energy to the sperms, phosphorus and potassium that helps in the motility of sperms. Seminal fluid is alkaline in nature which protects sperms from the acidic environment in the vagina. Therefore the correct answer is a. Seminal vesicle.
They contain the same monomer subunits but they are arranged differently
