Answer:
The correct answer is multicellular organisms.
Explanation:
Organs are differentiated structure formed by group of cells and tissues to perform the similar functions. When more than two organs perform specific function in a coordinated manner they form organ system.
Tissues and organs are a characteristic feature of multicellular organisms as more than one cell is present in these organisms and these cells aggregate together to form tissues, which further aggregate to form different organs carrying out the different functions attaining complexity.
Since, unicellular organisms do not have more than one cell, unicellular cells do not form tissues and lack organs.
Thus, the correct answer is multicellular organisms.
which is absent in unicellular organisms.
Answer:
The onset of puberty in girls by the release of these two hormone is an example of typical signal transduction pathway
Explanation:
Specifically Luteinizing Hormone (LH) along with the Follicle stimulating Hormone (FSH) released from pituitary gland gets attached to the receptors present in the cells of ovary and generate a series of chemical reaction or cascade of biochemical reaction in a cell (activation of secondary messengers like cAMP) to produce estrogen and progestrone that will help in follicle formation and ovum maturation.
<span>Chronic stress that weakens systems in the body.</span>
Answer:
The answer is 'A'
Explanation:
You read the paragraph, and look at the first two lines. Its talking about how she uses water to washes so we know it isn't 'B'. She did nothing that was cruel or unkind throughout the passage so we know it isnt 'D'. The answer was between 'A' and 'C', 'C' was a good answer but it wasn't the best. She was a good cook but she was also a hardworker, so the best answer is 'A'