Cryosphere, all Ice on earth, the gases melt the ice. Hydrosphere, once ice melts it turns into water. biosphere, lack of ice mean lack of habitat for some animal, penguins, polar bears etc.
In the movement of sperm tail plays an important role due to which sperm is able to move.
Sperm move to the uterine tube through uterine contractions and the energy of their own flagella.
Motility of sperm is also depend upon various metabolic pathways and the mechanism of regulation.
<h3>What is causes sperm to move?</h3>
The structure of sperm contains tail which have large numbers of protons channels which are known as Hv1 channels that respond to changes in pH and concentration of zinc outside the cell.
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Answer:
Larva and pupa is present in complete metamorphosis while nymph is present instead of larva and pupa in incomplete metamorphosis.
Explanation:
Complete metamorphosis has four stages i. e. egg, larva, pupa, and adult while the incomplete metamorphosis has three stages i. e. egg, nymph, and adult. Grasshopper, dragonfly, cicada and cockroach have incomplete metamorphosis while ladybug
, housefly, butterfly and honeybee have complete metamorphosis. Both type of insects lay eggs and after hatching a baby insect comes out called larva. After sometime this larva transforms from immature to mature, this stage is known as pupa. After pupa, the insect converts into an adult which is ready for reproduction. Nymph is a stage that comes in place of larva and pupa in incomplete metamorphosis. in this stage, the insect is small in size and lack of wings but in adult stage the wings appear.
True. When a single ADP molecule receives 1 phosphate group it will become a molecule of ATP.
Thalassemia is a result of a quantitative production causing mutation in globin genes. The hemoglobin which is the protein being affected in thalassemia is consist of heme, alpha globins and beta globins. Any changes in the following causing abnormalities leading to disorders of heme production and above mentioned elements.
