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Zolol [24]
3 years ago
5

Sewage is a mixture, true or false​

Biology
1 answer:
alexandr402 [8]3 years ago
5 0

Answer:

True

Explanation:

Sewage contains many substances in it like suspended solids, organic and inorganic impurities, nutrients, saprotrophic and disease causing bacteria and other microbes. Hence it is said to be a complex mixture.

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Dna is a specialized carbohydrate contained within cells. t f
Wittaler [7]
True Dna is a specialized carbohydrate contained within cells.
8 0
4 years ago
What is an advantage and disadvantage of using 4.5-7.5 pH paper?
Butoxors [25]

Answer:

The correct answer would be:

Advantage: helps in finding the exact ph value with a narrower range.

Disadvantage: You don't know the exact ph value on a regular scale.

Explanation:

The pH paper is a pH paper with a color indicator that helps in determining the pH value precisely between the 4.5 to 7.5 pH range. It is accurate in comparison to other pH papers such as 0-14 paper. One no need to guess the color between the different colors from various color mixtures as it has a more precise color reading that helps in finding accurate pH value in a narrow range.

On a regular scale, it is not as accurate and one can not find the exact value as it provides a narrow range value between 4.5 to 7.5.

7 0
3 years ago
Describe the role of plants in the movement of water through the water cycle. A) Plants act as a water reservoir by absorbing wa
Andrei [34K]
D) plants absorb water and use the water for photosynthesis
8 0
4 years ago
Read 2 more answers
Upon examination, a cell is found to have twice as much DNA as the normal diploid state but is no longer in the process of repli
irina1246 [14]

The Gap 2(G2) stage of Interphase

Explanation:

In a eukaryotic cell, the cell cycle refers to both -cell growth and cell division - leading to the production of identical daughter cells. The cell cycle is basically divided into interphase (I) and mitosis (M).

The interphase, during which the cell grows and replicates its DNA takes place by the following stages – Gap 1 (G1), Synthesis (S), Gap 2(G2).

The cells grow and increase in size during the G1 period.

The G2 phase or the second gap phase the cell utilizes energy and produces necessary proteins for undergoing chromosome manipulation and other organelles and prepares the cell for mitotic cell division.

DNA replication mainly takes place in the Synthesis or the S stage of interphase with each of the chromosomes (46) is replicated.  

Due to this DNA replication in the S stage, its content is doubled (4-N DNA content) when it enters the G2 stage and all the DNA is found within a single nucleus.

6 0
3 years ago
If a population is steady at its carrying capacity, but then a group of organisms from that species moves in to the same space o
baherus [9]

Answer:

It will remain relatively stable

Explanation:

<u>The carrying capacity (k) of an environment is a factor that represents the maximum number of organisms of a particular species such environment can support based on the resources it has. </u>

<em>Below the carrying capacity</em>, the population of a species still has the potential to increase due to resource availability, and <em>above the carrying capacity</em>, the population has the potential to reduce due to the overstretching of the available resources. Factors that keep the population from expanding significantly beyond the carrying capacity include competition for resources, natural disasters, disease outbreaks, etc.

<em>Hence, if a population is steady at its carrying capacity and a group of organisms from that species moves into the same space occupied by the original population, the carrying capacity will only increase temporarily before factors such as competition and natural disasters operate to bring the carrying capacity to the normal level. </em>

7 0
3 years ago
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