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S_A_V [24]
3 years ago
14

Which of these describes a quantitative observation?

Biology
1 answer:
Sergio [31]3 years ago
3 0

Answer: <u><em>D. An observation that has a number associated with it</em></u>

Explanation: The answer is D. An observation that has a number associated with it. I would explain further, but it is pretty self explanatory.

<em>Good luck!</em>

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A carbon atom can bond with other atoms in a variety of ways. Wich set of bonds would a typical carbon atom in a compound
notsponge [240]

Answer:

A carbon atom can form up to four covalent bonds as one carbon atom has four valence electrons (in outermost shell). It is a fact that the number of valence electrons in a atom determines the number of covalent bonds it will form. Thus, each electron in carbon atom is used to form four covalent bonds with various four atoms.

Explanation:

A bond between a carbon and hydrogen atom is a non-polar covalent bond. The non-polar covalent bond are the bonds between two atoms which share equal number of electron(s) with each other. Example: as in case of methane, where one carbon atom shares its 4 outer valence electrons with four hydrogens by sharing equal number of electron.

In contrast, polar covalant bond are the bonds between two atoms which share unequal number of electron(s) with each other. Thus these bonds are partially ionic.

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3 years ago
How is farming contributing to the decline in biodiversity?
seraphim [82]
The answer is B. By polluting near by streams with pesticides and herbicides
6 0
3 years ago
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In DNA, different alleles of a gene have a different sequence of ___________________. Alleles may have a different sequence of _
Leona [35]

Answer:

blood cotton dna

Explanation:

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6 0
3 years ago
Nonspecific permeases a. allow a variety of molecules to cross the cytoplasmic membrane. b. allow only water to cross the cytopl
andriy [413]

Answer:

a. allow a variety of molecules to cross the cytoplasmic membrane

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The cells have different molecules in its membrane. As a membrane the main function of it is to regulate the income and outcome of substances that the cell needs or the cell has like some wastes.

Some of these molecules can be some proteins like the permeases, that is going to  regulate the solutes that can enter the cell, but since they are non specific, that means that can not make the difference among one carbohydrate and another (as an example).

3 0
3 years ago
How do genetic modification variations likely to differ from genetic sexual reproduction variations
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Answer:

The  genetic modification variations result in the change in the genome of the organism. In this case, the variations result in expression of a trait in different form than usual. These variations results in genetic mutation, which can be inherited from one generation to another.

In sexual reproduction, the genome of the organism is not altered. In this only an exchange between the maternal and the maternal alleles takes place, these changes does not result in mutations.

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