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Alexeev081 [22]
2 years ago
9

2. List five specific properties of viruses that distinguish them from bacteria.

Biology
1 answer:
pychu [463]2 years ago
5 0

Answer:

S.N. Characteristics Viruses

2 Cell Wall No cell wall. Protein coat present instead.

3 Ribosomes Absent

4 Number of cells No cells

5 Living/Non-Living Between living and non-living things.

Explanation:

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Differentiate between inorganic and organic nitrogenous compounds with examples.
Lubov Fominskaja [6]

Answer:

organic nitrogen is the nitrogen that occurs in organic compounds whereas the inorganic nitrogen is nitrogen that occurs in inorganic compounds while .

Explanation:

organic nitrogen

Organic compounds are chemical species containing C and H atom as essential components. When these compounds contain nitrogen as well, this nitrogen is organic nitrogen

inorganic nitrogen

inorganic compounds are chemical species that has chemical elements other than carbon and hydrogen.

hope this can help you...

3 0
3 years ago
Read 2 more answers
How to do a dichotomous key
hjlf

Answer: I hope this helps you! :3

Explanation:

Step 1: List down the characteristics

Pay attention to the specimens you are trying to identify with your dichotomous key. List down the characteristics that you can notice. For example, say you are trying to classify a group of animals. You may notice that some have feathers whereas others have legs, or some have long tails and others don’t.

Step 2: Organize the characteristics in order

When creating your dichotomous key, you need to start with the most general characteristics first, before moving to the more specific ones. So it helps to have identified the more obvious and less obvious contrasting characteristics among the specimen before creating your dichotomous key.

Step 3: Divide the specimens

You can use statements (i.e. has feathers and no feathers) or questions (does it have feathers?) to divide your specimens into two groups. The first differentiation should be made on the most general characteristic.

Step 4: Divide the specimen even further

Based on the next contrasting characteristic, divide the specimen further. For example, first, you may have grouped your animals as have feathers and have no feathers, in which case the ones with feathers can be categorized as birds while you can further subdivide the ones that have no feathers as having fur and having no fur. Continue to subdivide your specimen by asking enough questions until you have identified and named all of them.  

Step 5:  Draw a dichotomous key diagram

You can either create a text-based dichotomous key or a graphical one where you can even use images of the specimen you are trying to identify. Here you can use a tree diagram or a flowchart as in the examples below.

Step 6: Test it out

Once you have completed your dichotomous key, test it out to see if it works. Focus on the specimen you are trying to identify and go through the questions in your dichotomous tree to see if you get it identified at the end. If you think the questions in your dichotomous key needs to be rearranged, make the necessary adjustments.

6 0
2 years ago
Even though the neighborhood shown by the green star was not next to any of these fires, how was the neighborhood affected by th
MariettaO [177]
The neighborhood was affected by the northern lights i think
7 0
3 years ago
Colored aleurone in the kernels of corn is due to the dominant allele R. The recessive allele r, when homozygous, produces color
Pie

Answer:

The genes are linked, and the arrangement is coupled (one homolog has both dominant alleles; the other homolog has both recessive alleles).

RY / ry

Explanation:

R_= colored aleurone

rr= colorless aeurone

Y_= green plant

yy= yellow plant

They do a testcross between a plant of unknown genotype and phenotype and a plant that is homozygous recessive for both traits (yr/yr) the following F1 is obtained:

  • 88 Colored, green (RY/ry)
  • 92 colorless, yellow (ry/ry)
  • 8 colorless, green (rY/ry)
  • 12 colored, yellow (Ry/ry)

If the genes assorted independently, all of the possible offspring phenotypes would appear in the same frequency. However, they obtained 2 phenotypes much more abundant that the other two. Since recombination is a rare event during crossing over, when two genes are linked the recombinant gametes are produced less frequently than the parentals.

We can propose that the phenotypes Colored, green (RY) and colorless yellow (ry) are the parental gametes, and the unknown plant has the arrangement RY/ry, with both genes linked.

6 0
3 years ago
Consider the chromosome. Which best describes the function of the part labeled b?
Triss [41]

codes for a specific trait

I hope this help and I will try again if it is wrong.

5 0
3 years ago
Read 2 more answers
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