Biology, 18.06.2021 02:40, scastillo8
2 The chemical symbol for the element calcium is Ca. What would be the symbol representing calcium atoms that have lost two electrons?
Ca–
Ca+
Ca–2
Ca+2
Answers: 1
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Name the plastid and pigment likely to be found in the cells of (a) petals of sunflower (b) ripe tomato.
Answers: 2
Biology, 22.06.2019 04:30, ROBIOX3551
The green colored pigment in chloroplasts is? a. nitrogen b. chlorophyll c. chlorophorm d. chlorofloromethane
Answers: 2
Biology, 22.06.2019 06:30, 10040813
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 08:10, donnafranks2003
Use the phylogenetic tree to the right to determine which statement below is true. organisms a and f are not related. organism e is more closely related to organism b than organism f. organisms c and d are more closely related than organisms a and b. phylogenetic trees
Answers: 2
2 The chemical symbol for the element calcium is Ca. What would be the symbol representing calcium a...
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