Some animals, but not humans, have an organ called a gizzard located near the top of their digestive tract. This organ is small and can contain small rocks. It also has thick, muscular walls. Based on this physical description, which of the following is most likely to be the function of this organ?

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Answer 1

Answer: The gizzard is used for the preparation of digestion. The food is ground by the action of the muscular walls and also the gravel inside the gizzard.

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Eukaryotes are different from prokaryotes because eukaryotesA. are much smaller.
B. have permeable membranes.
C. reproduce more frequently.
D. have nuclei.

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Eukaryotes have nuclei

The correct answer is D.

Please I need this ASAP identify and describe three examples of internal and external factors that regulate cell division

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Answer:

External factors include physical and chemical signals. Growth factors are proteins that stimulate cell division. – Most mammal cells form a single layer in a culture dish and stop dividing once they touch other cells. Two of the most important internal factors are kinases and cyclins..

Suppose no crossing-over takes place explain why meiosis will still increase genetic variation.

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Do not forget that haploids include only 50% of the genetic information, where one half is usually determined by a parent. Haploids melt together to create a diploid that explains genetic variation. I am pretty sure this answer will help you! Regards.

a clinical microbiologist makes serial dilutions of several antimicrobial drugs in broth and then incubates each drug dilution with a standard amount of a patient's isolated pathogen. what is this microbiologist setting up? group of answer choices a kirby-bauer technique a minimum inhibitory concentration (mic) test an antibiogram an ames test a therapeutic index (ti)

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The clinical microbiologist is setting up a minimum inhibitory concentration (MIC) test.

In this test, the microbiologist makes serial dilutions of various antimicrobial drugs in broth and then incubates each drug dilution with a standard amount of the patient's isolated pathogen. The MIC test helps determine the lowest concentration of an antimicrobial drug that can inhibit the growth of the pathogen. This information is crucial for determining the most effective treatment for the patient
The clinical microbiologist is setting up a Minimum Inhibitory Concentration (MIC) test. This test involves creating serial dilutions of various antimicrobial drugs and incubating them with a patient's isolated pathogen. The MIC test helps determine the lowest concentration of an antimicrobial drug that can inhibit the growth of the pathogen. This information assists healthcare professionals in selecting the most effective treatment for the patient.

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In which phase will crossing-over occur? A. Meiosis II
B. Metaphase II
C. Mitosis
D. Prophase I

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The correct answer is option D. Prophase I

The crossing over is a phenomena, which occur in the cells undergoing meiosis. In the process of crossing over, the exchange of the genetic material takes place between the sister chromatids. This process takes place in the prophase 1 stage of meiosis 1 in the gametes. The exchange of genetic material between chromatids cause recombination, and hence, genetic variation.

Crossing over occurs in the first stage of meiosis which would be Prophase I.

Farmers that select for breeding only trees that produced the largest fruit or cows that produced the most milk would be an example of _____.

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Answer: Artificial selection or selective breeding

The characteristics of the parent are usually passed onto its offspring and the farmers know this simple fact. That is the reason why farmers choose to breed trees that produce the largest fruit or animals that produced the most benefit. Such practice can also be called as selective breeding or artificial selection.

reproduction it would be i think

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