Which of the following sequences is an example of a point mutation of the DNA sequence -A-A-G-T G-C- point)O-A-A-A-T-G-c--G-TA-G-A-A-c-O-A-A-G-G-T-c
Which of the following sequences is an example of a - 1

Answers

Answer 1
Answer:

The right answer is A (substitution).

-A-A-G-T G-C-

-A-A-A-T G-C-

In genetics, point mutation is the generic terminology used to describe a mutation that causes a structural change in a gene. This type of mutation can impact between one and ten nucleotides. Insertion mutation, deletion mutation and substitution mutation are the three forms of existing point mutations.


Answer 2
Answer: A: A-A-A-T-G-C

There has been a change from a guanine to an adenine at the third base

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Seeds that are transported by wind or water typically areA. dispersed by animals.
B. lightweight.
C. large.
D. sweet and fleshy.

Answers

Answer:

Option B, lightweight

Explanation:

Wind basically carries away the seeds which are light weight and winged which makes them peculiar to fit in the criteria required for floating. For example seeds of swan plants and cotton wood are light weight and also have some feather like bristles which allow them to be carried away by wind to a longer distance.

Water also carries light weight seeds as they can easily float on the water  for example seeds of mangrove trees.  

Thus, Option B is the correct answer

Seeds that are transported by wind or water typically are Lightweight 
so the answer is B

A scientist is using a ­computer model to predict changes to a population of ­rabbits in a meadow. Identify the information about the rabbit population that should be included in the computer model.

Answers

Answer:

In the mentioned case, the intrinsic and environmental factors influencing the size of the population should also be included in the computer model. The population size is primarily predicted by environmental and intrinsic factors.  

The size of the population of any species is monitored by the factors like birth rate, death rate, limiting factors, and their accessibility, carrying capacity of the system, rate of migration, and others. All these elements should be taken into consideration in order to determine the changes observed in the population of rabbits in a meadow.  

Cell specialization means that the cells in an organism are uniquely suited to reproduce.a. True
b. False

Answers

it would be false hope that helps

Proteins are broken down to form ammonia, which is toxic to cells. In which organ of the body is this ammonia converted to the less toxic compound urea?

Answers

The liver- the detoxification organ

Assume that the growing polypeptide chain of amino acids being produced represents an enzyme humans use to help digest starch. The original blueprint for the production of this enzyme can be found, most specifically, in the

Answers

Answer;

-Nuclei of gland cells.

Explanation;

-Enzymes are proteins that are manufactured in the ribosomes through the process of Translation. The process starts from the information contained in the DNA.

-First,  the information in a DNA molecule is read and transcribed it into an intermediary molecule called messenger ribonucleic acid, or mRNA, which takes place in the nuclei. Next, the information contained in the mRNA molecule is translated into the "language" of amino acids, which are the building blocks of proteins, a process of translation which takes place in the cytoplasm in organelles called ribosomes.

Answer:

B.) nuclei of gland cells

Explanation:

If two gray [Gg] mice mated, what percent of their offspring would have pure white fur?

Answers

25% of their offspring will have pure white fur
       G     g
G    GG Gg
g     Gg   gg

25% would have pure white fur.