The nucleus is an organelle that acts like a control center and directs cell activity.
Photosynthesis that is the correct answer I hope I get to brainiest follow me
Answer:
Option B, are prokaryotes
Explanation:
Cyanobacterias are prokaryotic cells which possess cell organelles without membrane. Their structure is very much similar to the prokaryotic cells. They consists of chlorophyll and hence are able to photosynthesize. They use either water or hydrogen sulfide as an electron source for ETS process of photosynthesis. The terminology “blue green algae” is used for phylum of bacteria known as Cyanobacteria , however they will be considered prokaryotic primarily.
Hence, option B is correct
Answer:
B. acidity of the vagina
Explanation:
The genus <em>Lactobacillus</em> includes rods and coccobacilli that lack catalase and produce lactic acid as the main fermentation product. <em>Lactobacilli </em>grow optimally under slightly acidic conditions. They are part of the normal flora of the human body and are present in the intestinal tract, vagina, etc.
In the human female vagina, the <em>Lactobacilli </em>are rarely pathogenic and rather serve as antimicrobial agents and prevent the growth of pathogenic microbes by imparting acidic pH to the vagina. Production of lactic acid by these bacteria imparts acidic pH and allows them to serve as antimicrobial agents.
The principles comprising of cell theory are: a) All organisms are composed of one or more cells and the life processes of metabolism and heredity occur within these cells. c) Cells are the smallest living the basic units of organizations of at organisms. d) Cells are arise only by division of a previously existing cell.
According to theory of the cell, all living things are made up of cells. They could have one or many cells.
The simplest form of life is the cell.
Existing cells give rise to new ones. They are not the result of spontaneous generation.
The contemporary interpretation of the cell theory holds that: Cells experience energy flow.
DNA is genetic material that is transferred from cell to cell.
All cells share the same fundamental chemical make-up.
The fundamental ideas that provide the basis for the study of life include the cell theory, gene theory, evolution, homeostasis, and the laws of thermodynamics.
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