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mestny [16]
3 years ago
5

What is a buffer? a solution that can receive any amount of acid or base to form a neutral solution a solution that neutralizes

bases and drops the pH of acids a solution that can receive moderate amounts of acid or base with little change in pH a solution that neutralizes acids and increases the pH of bases
Biology
1 answer:
Nutka1998 [239]3 years ago
4 0
An ionic compounds resist change in its pH
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Many Japanese people consume a diet rich in seaweed, including the edible red alga Porphyra, which is used for preparing sushi.
dsp73

Answer:

e. horizontal transfer of genes from a marine bacterium

Explanation:

Horizontal gene transfer is the transfer of genetic material from one independent mature bacterium to another and creates new gene combinations in the recipient bacterium. It mostly occurs between the bacterial of different species and is responsible for the spread of new genetic traits such as antibiotic resistance, digestion of specific substances, virulence, etc.

Transfer of genetic material from the donor to host bacteria can occur in three ways: transformation, transduction, and conjugation. According to the given information, marine Bacteroidetes have enzymes required to digest porphyran and agarose. <em>B. plebeius</em> might have acquired the genes for these enzymes from marine Bacteroidetes by horizontal gene transfer. This resulted in its ability to digest the marine seaweed while its close relative species cannot do so.

4 0
2 years ago
Snakes shed their outermost layer of skin regularly. Which characteristic of life is this action an example of?
saw5 [17]
Growth is the right answer, because ecdysis or moulting term is associated with shedding of exoskeleton . Snakes do so to increase in size and for development

3 0
3 years ago
Read 2 more answers
The cell carries out normal functions during
Alenkinab [10]

Answer:

A cell carries out it's normal functions during mitosis

6 0
3 years ago
Natural selection acts on a variation of populations of living things usually through a specific trait which statement must be t
Andreas93 [3]
Considering the following statements; 
A. The trait is the same for all organisms
B. The trait is resistant to mutations
C. Most forms of the trait have the same impact on survival
D. The trait is passed on genetically to the next generation 
The correct answer is D. 
Genetic variation is essential for natural selection since natural selection can only increase or decrease frequency of alleles that already exist in the population. Genetic variation is caused by mutation and random mating organisms.
5 0
3 years ago
Read 2 more answers
A population of ground mice consist of 500 individuals. You are interested in the gene that codes for for a color and find out t
Lelechka [254]

Answer:

0,58

Explanation:

Mice are diploid (2n) organisms, which means that their cells contain two complete sets of homo-logous chromosomes (i.e., they have two copies of any given <em>locus</em>/gene). An allele can be defined as a variant of a gene, whereas diploid (2n) organisms have two alleles at each genetic <em>locus</em>, which are located on homo-logous chromosomes. In this case, we know that there are 580 dominant alleles in a population of 500 individuals, thereby the total number of alleles in this population is 1000 (2n >> 500 x 2 = 1000 alleles), and the frequency of the dominant allele is 0,58 (580/1000 = 0,58).

6 0
3 years ago
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