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kap26 [50]
3 years ago
5

What is the building block of all Nucleic Acids?

Biology
1 answer:
DaniilM [7]3 years ago
3 0

Answer:

A nucleotide is the basic building block of nucleic acids. RNA and DNA are polymers made of long chains of nucleotides. A nucleotide consists of a sugar molecule (either ribose in RNA or deoxyribose in DNA) attached to a phosphate group and a nitrogen-containing base.

Explanation:

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If the concentration of salt in the fluid surrounding cells decreases and the concentration of other solutes remains constant?
svetoff [14.1K]

Answer:

The cell will swell.

Explanation:

The cells react distinctly when placed in different solutions like hypertonic, isotonic and hypotonic solutions. In the mentioned question, that is, in the fluid surrounding the cells, the concentration of salt reduces, which makes the solution hypotonic. Hypotonic solution exhibit high water potential and low solute concentration.  

This makes the water move from the hypotonic solution to the inside of the cell as the osmotic movement occurs from high solvent concentration to low solvent concentration, thus, swelling of the cell takes place.  

7 0
3 years ago
The direct manipulation of genetic material in order to alter traits:
guapka [62]

Answer:

B) genetic engineering

3 0
3 years ago
PLEASE ANSWER ASAP!!!!!!!!!!!!!!!!!!!! I ONLY HAVE 20 MINUTES LEFT ON THE TEST
forsale [732]

Most of the cells in the human body are diploid.

Diploid is a cell or organism that has paired chromosomes, one from each parent. In humans majority of the cells are diploid and have 23 pairs of chromosomes. The exception are the human sex cells (egg and sperm cells). These contain a single set of chromosomes and are known as haploid.

5 0
3 years ago
Read 2 more answers
There is a step 4 below i couldent fit in the pic
sweet [91]

1. Nucleus step1: DNA is transcribed into mRNA

2. Ribosome step2: mRNA is translated into protein

3. Endoplasmic Reticulum step 3: Newly synthesised proteins are transported.

4. Golgi apparatus Step 4: Proteins are modified then transported away

In Golgi body or apparatus, the proteins are modified, sorted and packaging occurs for secretion.

3 0
3 years ago
In your own words, describe how the time required for digestion can be used to determine the time of death.
Paul [167]

Answer: Backdating the time required for food found in the stomach of the deceased to digest. Since digestion can't continue after death.

Explanation: The time taken for food to get digested can be employed to depicts time of death. This process involves understanding the period of time that usually takes the food found in the gastric of the deceased to calculate the time of death.

Different foods has varying time of digestion, so therefore, the gastric content is a good indicator to determine time of death by the doctor who is carrying out autopsy, since digestion does not continue after death.

However, it is established by scientist that food takes up to 4-6hours in the stomach depending on the size and type of food. Hence, if the status of the food found in the deceased stomach is noted accordingly and the time taken requires for digestion is also noted، the doctor can deduce the time of death accordingly from this two points.

7 0
2 years ago
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