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3 years ago

NEED ANSWER ASAP (95 points)

1 answer:

3 0

<em>1. Mutation in the human cells. When our bodies are cold the coldness responds back to our body by bringing air into it.</em>

<em>1. Mutation in the human cells. When our bodies are cold the coldness responds back to our body by bringing air into it.2 It can either increase me lan in or decrease it.</em>

<em>1. Mutation in the human cells. When our bodies are cold the coldness responds back to our body by bringing air into it.2 It can either increase me lan in or decrease it.3. Yes every generation is different.4.An allee is A cell in our bodies which function blood cells. A gene is A trait from either a relative.5. Meiosis Gives us more oxygen to breath in our Booties ☺ and our main body Functions.6. Then that trait would most likely be passed on to the offspring/ Children.7. the most common form of Down syndrome, caused by an extra copy of chromosome number 21.</em>

Explanation:

<h2>God Bless You!☺</h2>

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Some bacteria living in the ocean floor can turn methane (a gas) into food.

Nesterboy [21]

Answer:

Option A

Explanation:

Only an autotrophic species can convert methane into food.

Deep below the sea, methane and hydrogen sulfide are found in abundance. These gases get mixed into the sea water.

Autotrophic bacteria containing phosynthetic pigments oxidize these dissolved gases thereby producing food.

Hence these autotrophic bacteria’s will be considered as producers as they produce food.

Thus, option A is correct.

3 0

4 years ago

Maria, a U.S. psychologist uses the DSM-5 in her practice, but her cousin, Ava, lives in Spain and often uses the ________ for c

Viktor [21]

Answer: B

Explanation:

This is another approach used by physicians psychologist to classify and code or diagnosis.

4 0

3 years ago

Read 2 more answers

Somebody explain this in short?

Olenka [21]

significant digits are certain digits that give detail in a number

ex. in the number 400 it is the 4 because it tells you how many hundreds are in the number, in the number 49.92 it would be all of them because they all help understand the number

Do you get it?

5 0

3 years ago

A hypothesis is a general principle or explanation that is derived from observations. Suppose you make the following observation

mr_godi [17]

Question continued

For each statement below, mark "True" if it would be a valid hypothesis, based on these three observations alone, and mark "False" if it would not be a valid hypothesis.

1. The onion cells I looked at have a nucleus.

2. All onion cells have a nucleus.

3. All cells have a nucleus.

4. Some cells have a nucleus.

5. Only onion cells have a nucleus.

6. If I look at 10 skin cells from my hand, each one will have a nucleus.

Answer:

1. The onion cells I looked at have a nucleus. false - this is not a hypothesis, it is an observation of the evidence you collected.

2. All onion cells have a nucleus. true - this is a valid hypothesis based on the evidence you have gathered from looking at onions

3. All cells have a nucleus. true - this is a hypothesis based on you looking at 3 cell types, several samples of each, and finding that they all have a nucleus

4. Some cells have a nucleus. false - this is not a valid hypothesis. Your evidence so far suggests all cells have a nucleus

5. Only onion cells have a nucleus. - false, you know this to be false as other cell types you analysed had a nucleus

6. If I look at 10 skin cells from my hand, each one will have a nucleus. false - a hypothesis is supposed to be a general principle that is backed up by evidence, this is too specific.

4 0

4 years ago

Select three examples of resistance to antibiotics that is due to an altered cellular target of the drug. Multiple select questi

kvasek [131]

Answer:

- Alteration of an enzyme involved in folic acid synthesis

- A change in the structure of 23S rRNA

- The terminal D-alanine of pentapeptide mutates to D-serine

Explanation:

Antibiotic resistance is the phenomenon by which microorganisms naturally have, acquire, or develop the ability to defeat the drugs designed to eliminate them. For example, trimethoprim is able to bind with the enzyme dihydrofolate reductase (DHFR) in order to inhibit the folic acid synthesis pathway. Sulfonamides (sulfa drugs) competitively inhibit the incorporation of para-aminobenzoic acid (PABA) into folic acid and thus also prevent the synthesis of folic acid. Ribosomes are organelles where proteins are synthesized. The 23S rRNA is a component of the large subunit (50S) of bacteria and archaea ribosomes. In consequence, it is expected that a modification in the structure of 23S rRNA alters protein synthesis. Finally, vancomycin acts by binding the terminal D-Ala-D-Ala residues of the polymeric lipid-PP-disaccharide-pentapeptides and thus inhibits cell wall synthesis in Gram-positive bacteria. In consequence, it is expected that a mutation at the terminal D-alanine that modifies this sequence alters the vancomycin binding site and thus also confers antibiotic resistance.

7 0

4 years ago