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gayaneshka [121]
3 years ago
14

A seed of a flowering plant or gymnosperm may contain tissues from _______ generation(s).

Biology
1 answer:
Oksi-84 [34.3K]3 years ago
6 0
A seed of a flowering plant or gymnosperm may contain tissues from three generations. Similar to gymnosperms, angiosperms also are seed producing plants, but are distinguished from gymnosperms by features such as flowers, endosperm within the seeds, and the production of fruits that contain the seeds. 
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Describe where in the cell starch grains are found.
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In some plants, starch is stored in cell organelles called amyloplasts. Some plant roots and embryos, in the form of seeds and fruit, also serve as storage units for starch. Cells in plant leaves produce starch in the presence of sunlight.
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Olenka [21]

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What are 3 things that protein do (function)? Give examples of each.
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- speed up chemical reactions in the body / hormones

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nordsb [41]

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6 0
3 years ago
How many atoms? * PbSO4​
umka21 [38]

PbSO4 has 1 atom of Pb, 1 atom of S, and 4 atoms of O. So, in total it has 6 atoms.

The smallest component that makes up a chemical element is an atom. Atoms that are neutral or ionized are the building blocks of all solids, liquids, gases, and plasma. A normal atom is 100 picometers across, which is incredibly small.

Protons, which have a positive charge, make up the majority of it, while neutrons, which have no charge, form the remainder. All regular, naturally occurring atoms have protons, neutrons, and electrons that orbit them because they are heavy particles.

A sample's mass in grams should be divided by the periodic table's amu atomic mass, and the result should be multiplied by 6.02 x 1023, or Avogadro's number, to determine how many atoms are there. So, PbSO4 has 1 atom of Pb, 1 atom of S, and 4 atoms of O. So, in total it has 6 atoms.

To learn more about atoms refer to:

brainly.com/question/1566330

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