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egoroff_w [7]
3 years ago
6

45. Which is created by transgenic organisms and utilized by humans?

Biology
1 answer:
Arte-miy333 [17]3 years ago
3 0

Answer:

a. insulin because of cow/pig pancreas

d. snake antivenom because it helps humans in trouble of deadly noctious venoms

b. flu vaccine because the flu virus itself is an organism and is introduced to us to help us become immune

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When a neuron is activated by a stimulus, its plasma membrane will change until it reaches a membrane potential of about 40 mV.
grandymaker [24]

Answer: It is approximately the membrane potential at which the electrochemical gradient for Na+ is zero.

Explanation:

The charge in plasma membrane occurs with diffusion and electric fields.

For example, if there are two solutions, let's assume solution X and Solution Y are separated by a porous barrier (to diffuse in equal proportions).

The fundamental principle of diffusion states that solution from a high concentration diffuses to a lower concentration.

For instance, if the X solution contains 40 sodium ions and 40 chloride ions, the Y solution only has 30 sodium and 30 chloride ions. Due to the diffusion, these two solutions will mix and reach a steady-state.

The like charges repel, and opposite charges attract.

7 0
2 years ago
Which best describes a difference between prokaryotic cells and eukaryotic cells?
skelet666 [1.2K]
C. <span>eukaryotic cells contain organelles that are enclosed in membranes.</span>
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3 years ago
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What type of behavior is a caterpillar building a cocoon?
rewona [7]
A. instinct.<span>Instinct is the tendency of an animal to exhibit a particular complex behavior.</span>
3 0
3 years ago
Which feature of junipers makes them good at preventing soil erosion?
Ber [7]

The correct answer is (D)

Junipers belongs to genus Juniperus and are coniferous plants. These plants are widely distributed in northern hemisphere, from Arctic, south to tropical Africa and from Ziarat to Tibet, and in mountains of central America.

Juniper is a shrubs and grow densely over an area, shrubs are a great way to deter foot traffic through an area( another contributor to soil erosion). It helps to prevent soil erosion and are easy to grow plants.

5 0
3 years ago
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After a signal binds to a signal receptor, the next step is transduction. Why is the signal transduction step necessary ls7c wee
mars1129 [50]

Answer:

Signal transduction is what allows cells to respond to the influences of the environment around them, providing cells with proper growth and normal cell function.

Explanation:

Living organisms have developed a wide variety of complex processes to transmit signals from the outside to the inside to elicit an adequate cellular response. Defects in these molecular pathways can lead to very different disorders, such as diabetes, cancer, and psychotic illnesses. Signal transduction is the process by which a cell converts a certain signal or external stimulus into another signal or specific response, that is, it is the mechanism by which a cell responds to the stimuli it receives from the environment through diffusion. of those signals to its internal compartments. First, a signaling molecule (also called a ligand) needs to activate a specific receptor on the cell's membrane or cytoplasm. Ligand-receptor binding is very specific; they are recognized as a key and a lock. Second messengers are molecules that allow the received signal to be amplified at the intracellular level. The binding of a ligand to the receptor can generate hundreds of second messenger molecules that, in turn, can modify thousands of effector molecules and give rise to different responses. Cells recognize, integrate, and respond to multiple signals from their environment due to signal transduction, providing cells with a normal cell function.

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