Biology, 19.01.2021 22:10 moongirl4791

Which statement best describes what a thylakoid does during photosynthesis?surrounds the grana and keeps them moistenables the light-dependent reactions to occurcombines carbon dioxide and water to make sugarhelps the light-independent reactions to occur

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Answer from: MadyGrace

enables the light-dependent reactions to occur

Explanation:

Photosynthesis is a process peculiar to the cells of certain organisms called AUTOTROPHS. It is the process by which they manufacture their food in form of sugars (glucose). Photosynthesis occurs in an organelle found only in plant or algae cells called CHLOROPLAST.

Chloroplast is a structure or organelle that contains a stack of grana called THYLAKOID. These thylakoid contains the CHLOROPHYLL PIGMENT that allows plants absorb light energy during the light-dependent stage of photosynthesis. Hence, THYLAKOID enables the light-dependent reactions, which involves the synthesis of ATP and NADPH, to occur.

Answer from: Quest

endo:

regulates body hormones, aldosterone, vasopressin

neural:

signal, regulates body using electric signals, reflex

endo has to do with hormones; aldosterone and vasopressin are both hormones. i also had this question and got it right : d

Answer from: Quest

answer: carbon 14 can only be used to determine the age of the organisms that were once living, and igneous rocks are non living.

explanation:

carbon 14 dating is used to determine the age of the sample by estimating the amount of carbon 14 present in the sample and then comparing it with a reference standard.carbon 14 is a isotope of carbon which is radioactive and unstable. carbon 14 is assimilated by all plants and animals throughout their life from carbon dioxide. however, one the organisms die they stop this assimilation and the carbon 14 content starts to decrease.by knowing how much of carbon 14 is left in an organism after his death, one can estimate the age of the organism. the materials whose age can be estimated by carbon 14 method are the organic compounds. however, some inorganic compounds such as aragonite shell can also be dated.however, if we consider the igneous rocks it is a non living component which never accumulated carbon 14 in it and thus, we cannot use carbon 14 dating method to estimate its age.

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Which statement best describes what a thylakoid does during photosynthesis?surrounds the grana and k...

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