Nitadion
What is meant by the nidation? Specify the phase of tmenstrual cycle where nidation takes place?
Expert
Nidation is defined as the implantantion of embryo within the uterus. Nidation takes place approximately around the 7th day after the fecundation that is, 7 to 8 days after the ovulation (obviously, it happens only if fecundation also occurs). As, it happens within the luteal phase the level of progesterone is high and the endometrium is in its best condition in order to receive the embryo.
Most of the insects have wings. Name the other animal phylum which comprises creatures with analogous organs?
Why can the amnion as well be considered as an adaptation to the terrestrial life?
Write the characterizations of amphibians according to illustrations of representing beings, fundamental morphology, skin, circulation, respiration, nitrogen waste, thermal control and kinds of reproduction?
Repeated external stimulus is more attention -attracting than a single time. Repetition increases our sensitivity and alertness to the stimulus. Thus, greater the frequency with which a sensory stimulus is presented, the greater the chances we select it for attention.
Define the term Quality and what are its basic needs ?
Write down the modes of transmission, main signs and treatments and symptoms of hepatitis B?
In common which stage of the cell cycle has longer duration?
To which heart chamber does the blood go subsequent to leaving the left atrium? Name the valve which separates such compartments?
Regarding extracellular digestion what do you mean by chemical digestion? Answer: Chemical digestion is the sequence of enzymatic reactions to break macromolecules i
How coacervates could have facilitated in the emergence of life upon the earth?
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