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Kaylis [27]
3 years ago
7

Enzymes affect the reactions in living cells by changing the Select one: a. Products of the reaction. B. Speed of the reaction.

C. Temperature of the reaction. D. PH of the reaction.
Biology
1 answer:
iris [78.8K]3 years ago
7 0

Answer:

The correct answer is C   Speed or velocity of the reaction

Explanation:

Enzymes are homogenous,biological catalyst that is used to speed up the reaction.

           Enzyme do this by decreasing the energy barrier also called  activation energy of the reactants but do not hamper the reaction equilibrium.

    The enzyme itself remain unchanged throughout the overall reaction.        

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g Assume that for a given gene a mutation creates an allele that functions as a dominant negative. The gene codes for a protein
Tomtit [17]

Answer:

At least 50% of the tetramers will be inactive for this individual

Explanation:

A protein resulting from a mutation that is dominant negative will have an detrimental impact on the wild-type protein as well. Especially if the mutated protein can interact with the same substances as the normal, wild-type protein.

For an individual who is heterozygous, there will be one wild-type copy and one mutant copy of the allele present. For each copy, a protein will be expressed and the tetramers from the mutant copy will be defective - so 50% of the protein tetramers will be inactive at least.

Hope that answers the question, have a great day!

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3 years ago
Describe how your skin feels when you are outside on a hot humid day.
dedylja [7]

Answer:

Evaporation of sweat off the skin is what actually makes our skin feel cooler, rather than temperature.

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If you are outside on a hot and humid day, you are sweating because you are hot, but the sweat does not evaporate very well. This makes you feel more hot and also makes you have that "sticky" feeling. hope this helps you :)

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4 years ago
Durairajanayagam D, Agarwal A, Ong C. Causes, effects and molecular mechanisms of testicular heat stress. Reproductive biomedici
harkovskaia [24]

Temperature affects spermatogenesis, which functions best at body temperatures just a little lower than those.

<h3>Abstract:</h3>

To keep testicular temperatures below those of the body core, adequate thermoregulation is essential. The process of mammalian spermatogenesis and the resulting spermatozoa are negatively impacted by elevated testicular temperature. Therefore, sperm quality can be affected and the likelihood of infertility is increased by thermoregulatory dysfunction resulting in heat stress. This article reviews a variety of internal and external factors that may lead to testicular heat stress. We go into more detail on how heat stress affects the spermatogenesis process, the resulting epididymal spermatozoa, germ cells, and the alterations that result in the testis.

We also go over the chemical reactions of germ cells to heat exposure and potential processes, such as apoptosis, DNA damage, and autophagy, that could lead to heat-induced germ cell damage. Further explanation is provided for the intrinsic and extrinsic processes involved in the complex mechanism of germ cell death. These intricate apoptotic pathways ultimately result in the demise of germ cells.

Learn more about spermatogenesis here:

brainly.com/question/1594056

#SPJ4

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2 years ago
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