Biology, 06.11.2020 22:00 jadabugs8187
A student observes that a popcorn kernel has a hard coat. He places the kernel in a moist paper towel and observes it for several days. He notices that the coat splits and a small root emerges. He concludes that—
water outside the seed coat exerted a pushing force, breaking the seed coat
air inside the seed coat exerted a pushing force, breaking the seed.
water outside the seed coat exerted a pulling force, breaking the seed coat.
gravity exerted a pulling force on the stem, breaking the seed coat.
Answers: 3
Another question on Biology
Biology, 22.06.2019 06:30
Amino acids contain the elements carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. of the 20 amino acids found in humans, 11 are called "nonessential" because they can be manufactured by the body when needed. which elements in these 11 amino acids are commonly obtained from the metabolism of sugar molecules?
Answers: 1
Biology, 22.06.2019 10:10
Jane has a sprained ankle, and her doctor gave her a prescription that states: “ibuprofen caps 200 mg tid po.” what does this prescription say, in spelled-out form?
Answers: 1
Biology, 22.06.2019 14:30
Asegment id dna that is artificially created from two or more organism through use of dna enzymes in a laboratory is called a segment of dna that is artificially created from two or more organisms through use of dna enzymes in a laboratory is called
Answers: 2
You know the right answer?
A student observes that a popcorn kernel has a hard coat. He places the kernel in a moist paper towe...
Questions
Biology, 31.01.2020 07:59
Biology, 31.01.2020 07:59
History, 31.01.2020 07:59
Social Studies, 31.01.2020 07:59
Mathematics, 31.01.2020 07:59
Mathematics, 31.01.2020 07:59
History, 31.01.2020 07:59
Mathematics, 31.01.2020 07:59
Mathematics, 31.01.2020 07:59
Geography, 31.01.2020 07:59
