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babymother [125]
3 years ago
9

Hexadecimal numbering is used by digital artists and web designers. True False

Biology
1 answer:
LiRa [457]3 years ago
3 0

Answer:

True

explanation:

Hexadecimal numerals are widely used by computer system, designers and programmers.

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DNA evidence analysis is an imperfect science. Provide two reasons why this may
HACTEHA [7]

Answer:

Explanation:

Imperfect science can be described as the scientific study of a research/field that is not complete or is characterized with a number of faults. While there are many scientific research fields or focus that fall under this category (because scientists are constantly seeking to improve existing knowledge of various scientific field), let's limit our scope to DNA evidence analysis.

DNA evidence testing for instance is very expensive which makes it difficult (in most cases) for victims to request for it in cases of crime (except requested by the government). For instance, if a killing that involves a struggle was done in a small neighborhood of about a 100 people with no visual confirmation of the killer but just some blood samples of the killer, DNA evidence testing might still not be used in a case like this despite the  crime happening in a relatively small community.

Also, since DNA evidence testing relies on the gene and there is a lot of research going on at the moment on genes (including gene mapping and locus system) which can assist to lower the number of suspects by predicting the origins of suspects. It should be noted that reducing the number of suspects reduces the amount that will be spent on DNA analysis of the suspects (since there are fewer suspects).

4 0
3 years ago
I dont get this pls help me​
user100 [1]

Answer: They have different Genotypes but the same phenotype

8 0
2 years ago
DNA replication results in two DNA molecules, _________________________. Thus replication is _________________________.
kvasek [131]

Answer:

consisting of one new and one old chain of nucleotides.

is described as semi-conservative, half of the chain is part of the original DNA molecule, half is brand new.

5 0
2 years ago
<img src="https://tex.z-dn.net/?f=%5Csmall%5Cbold%5Ccolor%7Bviolet%7D%7BNeed%20%5C%3A%20help%20%5C%3A%20here%20%5C%3A%20plss%7D"
forsale [732]

Answer:

13 - D

14 - D

15 - C

Explanation:

for 13

A molecule is two or more atoms chemically combined

An example would be carbon dioxide which contains the two atoms, carbon and oxygen

Reasons its not the other answers:

Electrons, Protons and Neutrons are all parts of an atom therefore they cannot be classified as molecules.

For 14

Remember an atom is the most basic unit out of the units we are talking about

The answer would be D

Reasons its not the other answers

Water is considered to be a molecules as it contains two or more atoms (hydrogen and oxygen)

Air is considered to be a mixture as it contains oxygen and nitrogen which can be separated

Salt is considered to be a compound because salt is made up of two atoms (chloride and sodium) in which they are held up by an ionic bond

For 15

The answer would be C (III only)

Carbon hydrogen and oxygen all happen to by atoms

Reasons its not other answer choices:

Like stated previously water is considered to be a molecule therefore we can eliminate the other answer choices

Other notes:

Compounds and molecules both are combinations of two or more atoms however they are not to be mixed together

the main difference between compounds and molecules is how they are held together

Compounds are held together by ionic bonds while molecules are help up by covalent bonds

compounds and molecules  are made up of atoms that cannot be separated

Mixtures - A mix of two or more substances that can be separated

3 0
3 years ago
How does global warming affect biodiversity?
Sophie [7]
Pretty sure it is B
6 0
3 years ago
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