The sugar and phosphate portions of DNA molecule function mainly to

A transaction in which two or more organizations or people give and receive something of value is called ________.

MariettaO [177]

Answer:

<h2>Exchange</h2>

Explanation:

A transaction in which two or more organizations or people give and receive something of value is called Exchange

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3 0

3 years ago

Which homeostatic process requires energy to move particles across the plasma membrane?

Pani-rosa [81]

Active transport requires energy because unlike osmosis and diffusion which are passive transport methods which sees where the particles are moving along the concentration gradient, in active transport, the particles are moving against the concentration gradient and as such energy through ATP is needed for the particles to be transported.

4 0

3 years ago

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Mitosis is a type of cell division. organize the images below to show the steps of mitosis.

barxatty [35]

Answer:

The correct order is F, E, C, G, H, A, D, and B (look at the image in the attached files)

Explanation:

Interphase: Stages G1, S, and G2. At this point probably, the chromatin duplication has already occurred, but it is still lax or dispersed. It has not condensed yet. Two pairs of centrioles are outside the nucleus (FIGURE F)
Prophase: Centrioles move forward to the opposite poles of the cell. Chromatin is condensed and individual chromosomes are now visible. The nuclear membrane breaks into many pieces. Spindle apparatus -microtubules- forms. (FIGURE E)
Metaphase: The polar and the kinetochore fibers drive each individual chromosome to the equatorial plane. This stage ends when all the chromosomes are completely arranged in the medial area. (FIGURE C)
Anaphase: Sister chromatids separate and move to the opposite poles of the cells, driven by the microtubules. In each pole, there are a pair of centrioles (FIGURE G and H).
Telophase: The nuclear membrane rearranges. Each sister chromatid becomes now a new chromosome. There is a pair of centrioles outside each of the nuclei. (FIGURE A)
Cytokinesis occurs at the end of the cell division. The rest of the cell is divided into two new daughter cells. Each daughter cell is an identical copy of the other cell, with the exact same genetic material (FIGURE D).
Decondensation of the genetic material of each new cell (FIGURE B).

5 0

2 years ago

Which movement of particles would be most affected by a disorder that causes damage to carrier proteins ?

Makovka662 [10]

Active transport;

The movement of particles would be most affected by a disorder that causes damage to carrier proteins is the active transport.

Explanation;

Active transport involves the movement of materials against the concentration gradient.

This type of transport requires energy in form of ATP to aid the movement of particles from a lower concentration to a higher concentration.

Active transport requires carrier proteins such as the sodium-Potassium pump, to move materials in and out of the cell.

7 0

3 years ago

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What happens in the process of transcription

dolphi86 [110]

During the process of transcription, a portion of a DNA molecule is used to create a mRNA Molecule. DNA stores genetic information in the nucleus of your cells. When RNA molecules are produced it happens inside the nucleus. The RNA molecule can then leave the nucleus and travel to ribosomes which are located in the cytoplasm and attached to endoplasmic reticulum. The RNA will be used to create proteins molecules.

8 0

3 years ago