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joja [24]
3 years ago
6

EXPERT HELP: EXPLAIN THE ANSWER: What happens during the stage labeled 6?

Biology
2 answers:
-Dominant- [34]3 years ago
6 0

Answer:

Gymnosperms are seed plants that have evolved cones to carry their ... Megaspores made in cones develop into the female gametophytes inside the ovules of ... ovule: the structure in a plant that develops into a seed after fertilization; the ... grain to initiate fertilization; the pollen grain divides into two sperm cells by mitosis; ...

Explanation:

Pavlova-9 [17]3 years ago
4 0
EXPERT HELP: EXPLAIN THE ANSWER: What happens during the stage labeled 6?
A. Young male cones produce spores using meiosis.
B. Young female cones produce spores from cells that divide using meiosis.
C. A spore divides and grows into a pollen grain using mitosis
D. A seed that contains an embryo plant grows into a young pine tree.
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The answer is <span>0.132606 amu.</span>

The mass defect (Δm) is the total mass of protons and neutrons minus the mass of the atom. 
<span>mass of an oxygen-16 atom: 15.994914 amu
mass of a proton: 1.00728 amu
mass of a neutron: 1.00866 amu
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An oxygen atom has 8 protons and 8 neutrons. Therefore:
Δm = 8 · 1.00728 + 8 · 1.00866 - <span>15.994914 = 8.05824 + 8.06928 - 15.994914 = 0.132606 amu
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