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SIZIF [17.4K]
3 years ago
14

Gene mutations can be caused by many things. These mutations are biologically important because they

Biology
1 answer:
andreev551 [17]3 years ago
8 0

Answer:

Can result in a new variety of gene combinations in the species

Explanation:

The third option is blatantly untrue- gene mutations are sometimes harmful, usually mundane and do nothing, and sometimes extremely helpful.

The fourth option is also untrue- genetic mutation is completely random.

This leaves us with the first two-

The first option is true, but it's not why genetic mutations are important, it's simply how they are passed on.

The second option is the awnser because gene diversity is extremely important in populations, and 'variety of gene combinations' is just another way to say gene diversity.

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There are many ways to lose weight, but a sustainable plan generally involves behavior modification related to diet and exercise
RoseWind [281]

Answer:

B.

Explanation:

From the different choices provided, the ones the strategies that would most likely help would be Lisa signed up for the campus walking club, which meets three times a week in the morning. This is because by signing up for the walking club Lisa now has an obligation to not only herself but to the rest of the club to show up three times a week. This obligation will encourage/force her to actually go through with the walks and not procrastinate. Thus helping her maintain her healthy choice and get a healthful weight.

3 0
4 years ago
Match the activities to the respective category.
ivann1987 [24]

Answer:

Carbon and Its Compounds: Ethane, carbohydrates, diamond

Oxygen and Its Compounds: Ozone, water

Explanation:

Carbon and its compounds refers to compounds that has carbon atoms in them whether they exist in nature or are made artificially. Examples include

- Ethane, C2H6

- Carbohydrates, Cx(H2O)y

- Diamond, an allotrope of carbon

Oxygen and its compounds refers to compounds that has at least an oxygen atom in them whether they exist in nature or are made artificially. Examples include:

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7 0
4 years ago
A mosquito can transmit a viral pathogen into humans. What is the mode of transmission of the virus in this instance
Elza [17]
Vector… i think that’s right
5 0
2 years ago
Which term actually applies to a blend of several different complementary hormones that promote the maturation and functional co
34kurt

Answer:

Thymosin

Explanation:

Thymosin is the term used to refer to a set of thymus polypeptide hormones that influence the maturation of T lymphocytes intended to play an active role in cell mediated immunity. Thymosin may serve as an immunotransmitter by modulating the hypothalamic-pituitary-adrenal and gonadal axes. It also helps to counteract the harmful effects of cortisol.

8 0
3 years ago
Where do the ducts of the submandibular salivary glands empty into the oral cavity?
Vera_Pavlovna [14]
The ducts empty the saliva from the submandibular salivary glands into the two sublingual carnicles.

The saliva produces in the salivary glands contains an enzyme named amylase, which is responsible for the chemical breakdown of starch. The saliva also helps to add moisture to the food and make it easier for it to pass through the ailementary canal. Further break down of starch then occurs when amylase is secreted into the small intestines.
6 0
4 years ago
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