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AlladinOne [14]
3 years ago
9

Which organisms evolved from the common ancestor Pakicetus?

Biology
2 answers:
pav-90 [236]3 years ago
8 0
Hippos likely evolved from a group of anthracotheres about 15 million years ago, the first whales evolved over 50 million years ago, and the ancestor of both these groups was terrestrial. These first whales, such as Pakicetus, were typical land animals. They had long skulls and large carnivorous teeth. Hope I’ve helped ;)
velikii [3]3 years ago
5 0

Answer:

3.whales and hippos

Explanation:

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Can someone help plz <br><br>will mark brainliest for the correct answer!
Gnom [1K]

Answer:

B) ATP is not produced during fermentation

Explanation:

Fermentation does not involve an electron transport system, and no ATP is made by the fermentation process directly.

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3 years ago
Analyze the role of dna fingerprinting in criminal investigation.
nikitadnepr [17]

DNA/fingerprints are all unique, therefor it is easy to match a fingerprint to a person thus they use this mechanism in criminal investigations because only one person woul have matching DNA to the prints on the scene, and that is the criminal.

Hope this helps :)

8 0
3 years ago
Sulfur bacteria function as the main producers in what type of environment?
Colt1911 [192]

Answer:

C. Deep Ocean

Explanation:

5 0
3 years ago
what would you if cell membrane became impermeable instead of selectively permeable could cell remain alive
natali 33 [55]
If a cell membrane became impermeable, instead of selectively permeable, the cell would not remain alive, though certain organisms would be able to stay alive longer than others. This is because the cell membrane allows essential molecules and substances such as oxygen into the cell, while allowing harmful substances, like waste, out of the cell.

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4 0
3 years ago
Learn the reactants and products for each stage of photosynthesis, and where in the plant cell does each stage occur.
Fudgin [204]

Answer:

1: Light-dependent reactions:

Reactants: H2O, ADP, NADP

Products: O2, ATP, NADPH

Location: Thylakoid membranes of chloroplasts in cells of leaves

2: Light-independent reactions

Reactants: CO2, H2O, ATP, NADPH

Products: C6H12O6 (glucose), ADP, NADP

Location: Stroma of chloroplasts in leaf cells

Explanation:

Photosynthesis takes place in two stages:

1: Light-dependent reactions: This stage includes splitting of water in the presence of sunlight and release of electrons and oxygen gas. The electrons are channeled into the electron transport chain and result in the formation of ATP and NADPH. This stage includes photosystem I and II present in the thylakoid membrane. Hence, light-dependent reactions of photosynthesis occur in the thylakoid membrane of chloroplasts and form ATP and NADPH.  

2: Light-independent reactions: Also called as Calvin cycle, the light-independent reactions use ATP and NADPH formed during light reactions of photosynthesis to fix CO2 into glucose. The enzymes of the Calvin cycle are present in the stroma of chloroplasts and hence, this stage of photosynthesis occurs in the chloroplast stroma.  

5 0
3 years ago
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