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kakasveta [241]
2 years ago
7

The energy used to pump hydrogen ions from the mitochondrial matrix across the inner membrane and into the intermembrane space i

s derived from:________
a. ATP hydrolysis
b. reactions in the electron transport chain
c. decreasing the pH in the mitochondrial matrix
d. splitting water to form oxygen and protons
Biology
1 answer:
Romashka-Z-Leto [24]2 years ago
3 0

Answer:

b. reactions in the electron transport chain

Explanation:

Oxidative phosphorylation, which is the process described in this question, is the third stage of cellular respiration which occurs in the MITOCHONDRION of eukaryotic cells. In this stage of oxidative phosphorylation, which encompasses electron transport chain (ETC) and chemiosmosis, ATP is synthesized.

The ATP is synthesized when protons (H+) move from the mitochondrial matrix into the intermembrane space, forming, a proton pump. The series of electron transfers (reactions) that occur in the complexes of the ETC provides the ENERGY to pump the protons/hydrogen ions out of the matrix, which creates the electrochemical gradient required for ATP synthesis with the help of ATP synthase.

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Both intrasexual and intersexual selection usually cause changes in phenotypes for males and little changes in female phenotypes
saveliy_v [14]

<em>The question is incomplete. Please read below to find the missing content.</em>

<em />

Selection is usually strongest in the male of the species. D) because sperm are small and plentiful, while eggs are large and energy-rich.

Phenotype refers back to the observable traits of an organism as a multifactorial effect of genetic trends and environmental influences. The organism phenotype includes its morphological, biochemical, physiological, and behavioral residences.

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a. Males are naturally more aggressive

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