Biology, 11.11.2019 23:31 elistopchaniuk
when transcription occurs in eukaryotic cells, a dna strand is copied to an mrna strand that contains introns and exons. which of the two is needed for the production of proteins, and why?
introns because they are coding sequences.
introns because they are non-coding sequences.
exons because they are non-coding sequences.
exons because they are coding sequences.
Answers: 1
Biology, 21.06.2019 22:00
Living cells cannot use heat to provide the activation energy for biochemical reactions because which choice(s) complete the sentence correctly? a) answer choice ii. eliminate b) answer choices ii and iv. c) answer choice iii and iv. d) all answers can complete the sentence.
Answers: 1
Biology, 21.06.2019 22:00
Match each description to the appropriate biome. tropical savanna desert tropical rain forest taiga tundra has sparse vegetation and very cold temperatures located near the equator and contains trees that form dense canopy layers is very hot and dry, and has plants that need little water has cold winters, heavy snowfall and is dominated by conifers has warm temperatures and is dominated by grasses
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Biology, 22.06.2019 07:30
What is the process of pulling apart an n2 molecule nevermind i got it
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Biology, 22.06.2019 09:00
Which ocean is on the eastern coast of north and south america? arctic ocean indian ocean pacific ocean atlantic ocean
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when transcription occurs in eukaryotic cells, a dna strand is copied to an mrna strand that contain...
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