If you suspend the completely submerged the aluminum block from a string what will be the tension in the string?

1. In eukaryotic flagella, the fibers that slide past one another due to the activity of dynein proteins are microtubules. 2. Ma

yulyashka [42]

Answer:

1) In eukaryotic flagella, the fibers that slide past one another due to the activity of dynein proteins are microtubules.

2) Many cell organelles, most notably the nucleus, are anchored by intermediate filaments which are assembled from a diverse class of proteins.

3) Centrosomes are sites where protein dimers assemble into microtubules.

4) The extension of pseudopodia in amoeba is due to the regulated assembly and destruction of microfilaments.

5) The only cytoskeletal fibers not associated with intracellular movement or whole cell locomotion are the intermediate filaments.

6) During muscle contractions, myosin motor proteins move across tracks of microfilaments.

Explanation:

The cytoskeleton is a very important element of the cell, and is composed of three different structures: microtubules, intermediate filaments, and microfilaments.

Microtubules are structures in the shape of hollow tubes that give shape to the cell. Microtubules also participate in cell motility by providing a route for the organelles to move through.

Intermediate filaments are the only ones that do not participate in cell motility: their main function is to provide mechanical support for the plasma membrane.

Microfilaments are a key component in cell motility, and also associate with myosin (a protein) to produce muscle contraction. Microfilaments also give the cell the ability to grow pseudopods.

4 0

4 years ago

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Which describes the process of cellular respiration?

True [87]

The process of cellular respiration catabolic pathway that breaks molecules into energy

Explanation:

Metabolic pathways consist of two distinct types: catabolic and anabolic. Catabolic deliver energy while breaking down molecules into easier molecules. Cellular respiration is one case of a catabolic pathway. During cellular respiration, sugar is held in by the cell and break to discharge energy that enables us to live.

Cellular respiration is the manner of oxidizing food particles, similar glucose, to carbon dioxide and water. The method transpires in two states:

glycolysis, the division of glucose to pyruvic acid

the entire oxidation of pyruvic acid to carbon dioxide and water

4 0

3 years ago

A sequence of dna that codes for a specific, detectable product, such as a protein or rna is called a

Reptile [31]

Gene is a sequence of DNA that codes for a specific, detectable product, such as a protein.

This is defined as the basic physical and functional unit of heredity and occupy a fixed position on a chromosome.

It is also the sequence of DNA that codes for a specific, detectable product, such as a protein or RNA.

Read more about Gene here brainly.com/question/25703686

3 0

3 years ago

Which mantle is under the crust the upper mantle or the lower mantle

Ivenika [448]

You're right. The Upper Mantle is directly under the Crust. Hope this helped! =^-^=

4 0

3 years ago

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From which of the following does the basic structure of hair and nails form?

arsen [322]

Answer: D. Keratin

Explanation: Keratinocytes (pronounced: ker-uh-TIH-no-sites) make keratin, a type of protein that's a basic component of hair, skin, and nails. Keratin in the skin's outer layer helps create a protective barrier.

3 0

2 years ago