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ioda
3 years ago
13

Limpids, proteins, polysaccharides, and nucleic acids are large polymers that make up different components of our bodies. Which

element can be found as the back bone of all of these macromolecules? A. Nitrogen B. Oxygen C. Phosphorus D. Carbon. The answer is D. Carbon. I had this question on an assignment.
Biology
1 answer:
sweet-ann [11.9K]3 years ago
8 0

Answer:

the answer is D

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I think false because no one knows what will happen in the future and anything is possible, although the population does increase it can still decrease by high amounts aswell, anything bad could happen any time. People may not even have money to survive but it really depends on what happens and what could happen in the future, no one really knows what will happen so this statement would be false.

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3 0
3 years ago
An actin-binding protein called cofilin binds preferentially to ADP-containing actin filaments rather than ATP-containing actin
Phantasy [73]

Answer:

Cofilin binds to older actin filaments

Explanation:

Microfilaments (also called actin filaments) are a class of protein filament common to all eukaryotic cells, which consist of two strands of subunits of the protein actin. Microfilaments form part of the cell's cytoskeleton and interact with the protein myosin in order to allow the movement of the cell. Within the cell, actin may show two different forms: monomeric G-actin and polymeric F-actin filaments. Microfilaments provide shape to the cell because these filaments can depolymerize (disassemble) and polymerize (assembly) quickly, thereby allowing the cell to change its shape. During the polymerization process, the ATP that is bound to G-actin is hydrolyzed to ADP, which is bound to F-actin. ATP-actin subunits are present at the barbed ends of the filaments, and cleavage of the ATP molecules produces highly stable filaments bound to ADP. In consequence, it is expected that cofilin binds preferentially to highly stable (older) filaments ADP-actin filaments instead of ATP-actin filaments.

4 0
3 years ago
The instructions for the traits of an organism are determined by:
romanna [79]

Answer:

In all organisms, the instructions for specifying the characteristics of the organism are carried in DNA, a large polymer formed from subunits of four kinds (A, G, C, and T). ...

Most of the cells in a human contain two copies of each of 22 different chromosomes. ...

Changes in DNA (mutations) occur spontaneously at low rates.

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