Which statement is correct about the Krebs cycle?

Biology

2 answers:

Karolina [17]3 years ago

8 0

C. The Krebs cycle produces electron carries for the ETC (electron transport chain)

Crank3 years ago

6 0

<span>C. The Krebs cycle produces electron carriers for the electron transport chain</span>

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When a virus infects a bacterial cell, often new viruses are assembled and released when the host bacterial cell is lysed. If th

sergey [27]

The correct answer is: The virus has entered the genome of the bacterial cell and is in the lysogenic stage

Lytic cycle and lysogenic cycle are types of a bacteriophage’s life cycle.

Lytic cycle can be divided in stages:

• Attachment-viruses binds to the receptor on the surface of bacterial cell, usually it uses tail for the attachment

• Entrance-virus injects its genome material (DNA or RNA) into bacteria cell

• Replication and protein synthesis-virus uses mechanism of bacteria to replicate its genome and produce proteins. As a consequence, a huge number of new viruses are formed

• Lysis- viruses express protein for the bacterial lysis (bacterial cell expand and burst) and hundreds of new phages are released.

Lysogenic cycle is different: bacteriophage’s genetic material-prophage, integrates into the host bacterium's genome or forms circular replicon in the bacterial cytoplasm. Bacterium continues to live and reproduce normally but prophage can be transmitted to daughter cells.

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Which of the following are considered macromolecules? Select all that apply. (2 points)

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I believe the only option should be C. Proteins. Only Carbohydrates, Proteins and Nucleic Acids are categorized as Macromolecules, not Lipids.

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3 years ago

If oxygen is not present glycolysis is followed by

PilotLPTM [1.2K]

Fermentation if oxygen is not present

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3 years ago

Small, uncharged substances enter and leave the cell membrane through the process of

FromTheMoon [43]

Simple Diffusion Across the Cell (Plasma) Membrane. The structure of the lipid bi-layer allows small, uncharged substances such as oxygen and carbon dioxide, and hydrophobic molecules such as lipids, to pass through the cell membrane, down their concentration gradient, by simple diffusion.

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3 years ago

What are examples of pesticide

musickatia [10]

There are 6 common types of pesticide that are recognized and seen quite often:

1. Insecticides which are mainly used to kill insects, ticks, and mites.
2. Herbicides which are mainly used to kill weeds.
3. Fungicides which are mainly used to kill mildew and other fungi.
4. Rodenticides which are mainly used to kill mice, rats, and other rodents.
5. Disinfectants which are mainly used to kill bacteria and mold.
6. Wood Preservatives which mainly protects wood from fungus and insects invading it's system.

There are different types of families for pesticide as well at a much deeper level.

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