Ribonucleic acid is the single-stranded nucleic acid which plays a role in protein synthesis i.e. transcription. The three types of the same are messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). All of them has distinguished roles in protein synthesis.
The summer season will be experienced by northern hemisphere when the axis of earth is tilted towards the sun.
<h3>What is Summer?</h3>
This season is usually the hottest and it experiences more daylight hours than dark hours.
The hot atmospheric condition is as a result of the earth facing the sun thereby increasing its exposure to heat from it.
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Land plants are evolved from green algae.
Green algae called charophytes are coolest relatives of land plants.
It is believed that land plants are the most closely related to green algae, more specifically, a group of green algae referred to as charophyceans. Not only do both land plants and green algae produce chlorophyll a and b, but other evidence suggests that there is a relationship as well.
4 key traits that appear in nearly all land plants but are absent in the charophytes.
-Diploid embryos
- The ability to photosynthesize
-Apical meristem
-Walled spores produced in sporangia.
- Multicellular haploid and diploid generations
-Multicellular gametangia
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Answer:
c
Explanation:
Deforestation is a particular concern in tropical rain forests because these forests are home to much of the world's biodiversity. For example, in the Amazon around 17% of the forest has been lost in the last 50 years, mostly due to forest conversion for cattle ranching.