C Meiosis produces gametes or sex cells with half the chromosome number. Half the chromosome number is the haploid number or N.
B.)No cell nucleus
C.) Cannot live in extrememe enviorments
D.)Multicellular
Answer: The correct answer is B) No cell nucleus.
Archaea is a domain that comprises of single celled microorganisms, which are prokaryotes. These organisms can survive in extremely harsh conditions like hot springs and salt water.
Example- Methanogens.
Archea was first classified as a separate group of prokaryotes under the three domain classification system of Carl Woese in 1977 that included Archaea, Bacteria, and Eukarya.
Since they are a group of prokaryotic organisms, therefore, they are devoid of nucleus and membrane bound cell organelles.
Thus, option B) is the right answer.
Answer:
Urine is formed in the kidneys through a filtration of blood. The urine is then passed through the ureters to the bladder, where it is stored. During urination, the urine is passed from the bladder through the urethra to the outside of the body.
Explanation:
3. Not all cells have receptors for the molecule.
The main reason a signaling molecule is not receive by every cell nucleus is that not all cells have receptors for that particular molecule. Cells have specific receptors on their surface to recognize and respond to their corresponding signaling molecule. Cells that lack the specific receptors for a given signaling molecule will not respond to it, regardless of the size of the cell nuclei or other factors such as the stability of the molecule itself.
partial diversity
low diversity
no diversity