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nekit [7.7K]
3 years ago
6

Performs cellular metabolism

Biology
1 answer:
guajiro [1.7K]3 years ago
8 0
B. Respiratory system
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A biochemical test, in the microbiology world, is used to determine
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in the microbiology world, is used to determine O Capability of a microbe to perform a specific enzymatic activity. O Staining characteristics. O Nucleic acid-base composition of DNA sequences.

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2 years ago
Biologists sometimes say that “natural selection depends on the specific environment where a species lives.” What does this stat
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Answer: Natural selection is one of the forces of evolution and the enviroment where the species lives is the selection agent. For example, suppose a mosquitoes population in a environment free from insecticides, in this environment there's a high frequency of non-resistant mosquitoes because the environment is not  exerting any pressure on the resistence trait. But when the environment changes and we use a insecticide upon the mosquitoes population, the populations changes because the non-resistant ones die but those resistant survive and beggin to reproduce more effectively. That's natural selection, differences in survival and reproduction between individuals with different phenotypes (traits) and this differences depend of environmental changes.

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3 years ago
What does the small intestine do in the digestive system?
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<span>is absorption of nutrients and minerals from food.</span>
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3 years ago
In MendAliens, normal head top is dominant to Bart head top, in which the top of the head is jagged. Suppose a MendAlien homozyg
Dafna1 [17]

Answer:

The genotypes of the two parents: normal head shape (HH) and Bart head shape (hh)

The genotypes in the F1 generation= Hh

The phenotypes present in the F1 generation= All normal head shape

Explanation:

Let's assume that the allele "H" is responsible for the normal head shape while the allele "h" gives Bart head shape. According to the given information, both the parents are homozygous. The genotype of the parent with normal head shape would be "HH" while that of the one with Bart head shape would be "hh". Since the normal head shape is dominant, all the F1 hybrid progeny would exhibit "normal head shape".

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3 years ago
4. Which of the three major types of membrane receptors is often used by bacteria to cause infections?
vodka [1.7K]

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on channel-linked receptors, G-protein-linked receptors, and enzyme-linked receptors.

The ability of cells to communicate through chemical signals originated in single cells and was essential for the evolution of multicellular organisms. In multicellular organisms, cells send and receive chemical messages constantly to coordinate the actions of distant organs, tissues, and cells. Cells can receive a message, transfer the information across the plasma membrane, and then produce changes within the cell in response to the message. Single-celled organisms, like yeast and bacteria, communicate with each other to aid in mating and coordination. Cellular communication has developed as a means to communicate with the environment, produce biological changes, and, if necessary, ensure survival.

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