During prophase, the nuclear envelope surrounding the DNA starts to disappear and the DNA condenses into chromosomes<span>. The 46 </span>chromosomes each<span> consist of 2 identical sister chromatids. The centrioles move to opposite poles of the parent cell. The second step of </span>mitosis<span> is metaphase.</span>
Answer:
C.)
Explanation:
All the other answer choices are not advantages of sexual reproduction
Answer:
Cyanobacteria. (Ans. A)
Explanation:
Cyanobacteria are prokaryotes, are a phylum of bacteria. They are also called as blue-green algae and obtain their energy through the process of photosynthesis. They are commonly found in fresh water and terrestrial environment such as land, in rocks even in animal cells (fur).
Cyanobacteria are photosynthetic (oxygenic) bacteria. They harvest the energy of sun, absorb carbon dioxide and release O2. Cyanobacteria also contain chlorophyll such as plants and algae and convert carbon dioxide to sugar through the process of carbon fixation.
Cyanobacteria lack nucleus and other organelles like found in algae and plants. Instead of these they have double outer cell membrane and folded inner thylakoid member which are used in the process of photosynthesis.
Answer:
Outcome variable (dependent variable)
Explanation:
In a scientific investigation, a DEPENDENT VARIABLE (also known as outcome variable) is the variable that is being measured. The dependent variable, as the name implies, responds to the changes made to the independent variable.
For example, in an experiment where the effects of different concentration of fertilizer is used to test plant growth (height), the HEIGHT OF THE PLANTS is the dependent variable because it is the variable being measured.
During Light reactions of Photosynthesis, the chlorophyll will be activated by light. This light activated chlorophyll will split the water molecule. This is called Photolysis. Water molecule is split to release H+ ions and also oxygen.
