Biology, 25.07.2019 12:40 clairajogriggsk
Karen, a famous botanist, propagates thousands of spider plants in her greenhouses. she uses a small cluster of plant cells and grows them first in a nutrient base. just a few cells eventually grow into a new plant. which explanation best describes how this type of asexual reproduction can occur in many plants? a) plants can grow in a nutrient medium and animal cells cannot. b) plant cells go through the cell cycle a a much faster rate than any other types of cells. c) plant cells are undifferentiated and under certain conditions, can differentiate into all three plants tissues. d) plant cells differentiate immediately after fertilization; a small clump will contain all the cell types needed to grow a new plant.
Answers: 2
Biology, 22.06.2019 02:00
What is an endocrine function? (apex) a.esophageal glands release mucus into the esophagus b.salivary glands release saliva into mouth c.swear glands release sweat to the skin d.the pineal gland releases melatonin into the bloodstream
Answers: 1
Biology, 22.06.2019 02:00
How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.
Answers: 1
Biology, 22.06.2019 06:40
Which is not a type of symmetry? a. asymmetryb. radial symmetryc. bilateral symmetryd. lateral symmetry
Answers: 3
Karen, a famous botanist, propagates thousands of spider plants in her greenhouses. she uses a small...
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