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kykrilka [37]
3 years ago
11

Which statement about vacuoles is true?

Biology
1 answer:
VARVARA [1.3K]3 years ago
7 0

Vacuoles are storage organelles that are found in both animal and plant cells. They store food or any other forms of nutrients, they also store waste products so as to protect the contamination of the cell environment. These waste products are sent out of the cell via vacuoles. In plants the vacuoles are larger than in animals. The vacuole provides plant nourishment in the scarcity of water in the external environment hence, prevents the wilting of plants.

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What is the term for small packets of energy emitted from an object?
mylen [45]
Hi there.

I believe you're looking for <u /><em>quantum;</em><em> </em>the small packets of energy emitted from an object.

Hope this helped!
5 0
3 years ago
An outbreak occurs where the first case is detected on October 15th, the last case is detected on October 27th, and the peak is
aksik [14]

Answer:

12-14 october

Explanation:

The probable period of exposure is calculated as follows:

  1. Know  the range of the incubation period
  2. Start counting back from the days of the first case by subtracting the first number of incubation period range
  3. Count back the days from the last case by subtracting the last number of incubation period range.
  4. This will give a range which will be the period of exposure.

From the question,

  • Incubation period range 1-15
  • Date of first case = october 15
  • Therefore, first date of exposure = 15 -1 = 14
  • Date of last case = 22
  • Therefore, last date of exposure = 27 - 15 = 12
  • Thus, the range is 12-14 october which is the probable period of exposure.
7 0
3 years ago
Edward Jenner’s smallpox inoculation experiment was based on an observation by a dairymaid that she could not get smallpox becau
9966 [12]

Edward Jenner inferred that a person who once had small pox cannot have it once again. So something is there in these persons which grows after the initial infection which interferes with the secondary infection resisting it.

<h3><u>Explanation:</u></h3>

Edward Jenner is called the Father of Vaccination. Jenner noticed that the milkmaids who deal with the cows all the time don't generally suffer from the cowpox or small pox. Then as an Experiment, he took some sample from the pustules of the cow having pox and then cleaned it and injected the sample into a healthy child. Then when everyone of the locality suffered from the same disease, that child remained healthy. So that lead to infer that there are something in the pustule which lead to resist the secondary infection of this disease. So this lead to the invention of vaccines.

7 0
3 years ago
two students are discussing natural selection in bacteria and how it can relate to antibiotic resistance in bacteria
shutvik [7]

Answer:

yes

Explanation:

some the bacteria are resistance to antibiotics due to mutation.

4 0
4 years ago
What is an organism made up of many cells called
Setler [38]
The correct answer in multicellular
5 0
3 years ago
Read 2 more answers
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