Ans.
Gymnosperms are those plants that do not have fruits and flowers and they show naked or unenclosed seeds, while angiosperms are flower-bearing plants, having flowers, and seeds enclosed in an ovary that develops from fruit.
Both gymnosperms and angiosperms show sporophyte generation and gametophyte generation, known as alternation of generation.
Both gymnosperms and angiosperms show pollination, and fertilization of egg cell with sperm to form zygote that develops into mature plant.
The answer should be B) protons and neutrons repel eachother. the protons and neutrons have opposite charges and repel eachother, so of course the nucleus needs to have a very strong force to hold it all together :P
Answer:
Explanation:
The fibrous root is one of the small hair-like roots of the fibrous root system. Fibrous roots are derived from the base of the plant. This root system is available mainly in Monocotyledons, Gymnospermae (conifers) and Pteridophyta (ferns). Most of the fibrous roots grow horizontally and very few roots grow vertically to anchor the plant. Most importantly, the fibrous roots are short. They grow near the surface of the soil, not deep into the soil.
The answer is RNA polymerase.
It is an enzyme in the cell responsible for creating mRNA from the correct gene. It is similar to DNA polymerase except for it makes RNA strand instead of DNA strand. It attaches to the promoter region of a DNA helix.
Answer:
The correct answer is nucleus
Explanation:
DNA is made up of nucleotides, a deoxyribose sugar, and a phosphate group. There are four types of nucleotides which make the DNA that are adenine, guanine, cytosine, and thymine. DNA is formed inside the nucleus and after transcription, it forms RNA that moves out of the nucleus through the nuclear pore.
So if a plant cell containing radioactive nucleotides is grown in a test tube than after examination of cell the radioactivity will be concentrated in the nucleus because DNA is formed in the nucleus and nucleotide are its constituent.