A plant cell contains a large, singular vacuole that is used for storage and maintaining the shape of the cell. In contrast, animal cells have many, smaller vacuoles. Plant cells have a cell wall, as well as a cell membrane. In plants, the cell wall surrounds the cell membrane.
Hope this will help....
4/4 100%
Because this means both parents are 50%
Answer:
The correct answer is D) assimilation of external DNA into a cell
Explanation:
A bacteria is called transformed when it consist a genetic material that is not it's own but taken from outside the cell. So transformation of bacterial cell defines the uptake of foreign DNA by bacterial cell from its surrounding.
This transformation in bacteria is necessary because it provides bacteria some new and extra genes that help it to survive in the adverse and changing environment.
Transformation can result in getting the antibiotic-resistant gene to the bacteria which protect the bacteria from antibiotics during infection when antibiotic is used against it.
So the right answer is D) assimilation of external DNA into a cell.
Answer:
False
Explanation:
Most of the marine debris results from the plastic dumped into the ocean. This debris accounts for 80% of the total marine debris. As per the united nation report, 8 million tons of plastic is thrown into the ocean every year which floats in the ocean water . Mostly the oceans having tourist destination or high density residential areas consists of high amount of plastic debris. Thus, Marine debris mostly originates from oceangoing ships is a false statement.
ORIGINAL SCIENCE
Explanation:
- Science is an enterprise building term that organizes theories and knowledge in the form of tests and predictions based on the universe.
- Ancient Egypt and Mesopotamia were the roots in which science was discovered in around 3500 to 3000 B.C.
- Modern sciences are divided into three sciences and they are
SOCIAL SCIENCES( ECONOMICS, PSYCHOLOGY)
NATURAL SCIENCES (BIOLOGY, PHYSICS, CHEMISTRY)
FORMAL SCIENCES( LOGIC, MATH)
- Original science was first termed as NATURAL PHILOSOPHY and the scientists of this science were termed as NATURAL PHILOSOPHERS.
- The English word scientist was termed by WILLIAM WHEWELL in the period of the 19th century.