Endosymbiotic theory or symbiogenesis is the evolutionary theory. A eukaryotic cell that can make its food will arise from a cyanobacterium. Thus, option a is correct.
Endosymbiotic theory is the evolutionary theory of the origin of the eukaryotic organism from a prokaryote cell. It was formulated based on the mitochondrial DNA and the chloroplast organelle in the plant.
According to the symbiogenesis theory chloroplast and mitochondria were once free-living that got phagocytized by another cell. So, if a cyanobacterium is engulfed then the eukaryotic cell will have the power to produce its own food.
Therefore, the eukaryotic autotroph will be produced from the cyanobacterium.
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Answer:
A
Explanation: a eukaryotic cell that can make its own food
elliptical
square
Copernicus and other astronomers before him thought that celestial bodies followed a circular orbital path.
Answer: circular - first choice
Answer:
PCR makes it possible to sequence the tiniest amount of DNA from crime scenes.
Explanation:
PCR is a process where regions of DNA are amplified to create lots of copies of the DNA. This creates enough material for the lab assistants to be able to analyze the DNA, including sequencing, gel electrophoresis, and other techniques.
This is helpful in crime scenes, where sometimes there are very small amounts of DNA that need to be analyzed.
B. the death of macrophages
C. antigens trying to infect the area
D. blood cells losing their hemoglobin
The wood is xylem, and the bark is phloem. So, if you reverse the two, the tree is unlikely to be able to support its own weight.
Vasculartissue is an intricate conductingtissue found in vascular plants that is made up of multiple cell types.
The xylem and phloem are the primary components of vascular tissue. From within, those same two tissues transport fluid as well as nutrients.
In plants, cambium is a layer of actively dividing cells that exists between xylem (wood) and phloem tissues and is responsible for the secondary growth of stems and roots.
A cambium is a tissue layer in plants that provides partiallyundifferentiated cells for plant growth.
It is found between the xylem and the phloem. A cambium is also a cellular plant tissue that grows phloem, xylem, or cork by division, resulting in secondarythickening.
The wood is called xylem, as well as the bark is called phloem. If the two are reversed, the tree is very unlikely to be able to endorse its own weight.
Thus, this can be the consequence of reversing the xylem and phloem.
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Answer:
Answer is D. Pseudopodia.
Explanation:
Pseudopodia are described as a temporary extension of the cytoplasm. These are found in some certain unicellular protists like amoeba.
The pseudopodia is useful for movement and ingestion. They are useful in capturing or engulfing prey for a process known as phagocytosis.
b. false
Answer:
False.
Explanation:
The prokaryotes are smaller in size and has large surface area to volume ratio. This high surface area volume ratio increases the rate of diffusion in case of prokaryotes.
The ratio can be obtained by dividing the surface area to the volume. This signifies that how much surface area is available in comparison the volume of the cell. The large cell has large volume. This means the ratio is inversely proportional to the cell size or volume. Hence, the large cell has small ratio of surface area to volume.
Thus, the correct answer is option (b).