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Afina-wow [57]
2 years ago
10

REUSEHow can I reuse things at school?​

Biology
1 answer:
Effectus [21]2 years ago
3 0
One way in which you can do this is by using both sides of the paper you write on.

I hope this helps.
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Why it is important to place the gel in the correct direction in the gel cassette while running it?
k0ka [10]

The gel should be placed in the correct direction so that the DNA bands can move.

  • DNA is negatively charged due to the presence of phosphate groups, so it can only move towards the positively charged anode, otherwise, it will not move.
  • So, when gel electrophoresis is done the side of the gel where the wells have been created and DNA samples have been loaded is placed at the side of the cathode, whereas the other side is connected to the anode.
  • When the current flows, the DNA fragments also move from negatively charged cathode to positively charged anode as per their mass and size.

To know more about gel electrophoresis visit:

brainly.com/question/9437877

#SPJ4

5 0
1 year ago
How do organisms reproduce asexually
Natali5045456 [20]

Answer:

my cloning all the type of cells the animal has

Explanation:

7 0
2 years ago
Which action made by the nurse may contaminate the surface of the sterile item?
zalisa [80]
<span>If a nurse uses just a wet paper towel to turn off the taps on the sink after washing, she will likely contaminate the surface of sterile items. This is not the proper procedure or protocol, and can make sterile items unsafe and dangerous due to bacteria and spreading of illnesses.</span>
8 0
3 years ago
Drag each tile to the correct location on the table.
RideAnS [48]

Answer:

Kidneys : helps in forming urine

Ureter : They are connected to kidney and by peristaltic action transports urine from kidneys to bladder .

Urinary bladder : It is an hollow sac that holds the urine .

Urethra : transports urine from the bladder to outside of the body .

Explanation:

The human excretory system consists of   : Kidney ,ureter ,urinary bladder and urethra .The figure is shown below .

Now , as far as functions are concerned we have :

Kidneys : They have excretory units called nephrons that  further  consist of :

  • Bowman's capsule
  • PCT (Proximal convoluted tubule )
  • DCT (Distal convoluted tubule)
  • CT (collecting tubule )

In nephrons urine is formed and via ureter it is transported to a hollow sac like structure called  urinary bladder .

This bladder has muscles that cant remain contracted up to longer period )and then voluntary and involuntary it is excreted through urethra .

The process of passing urine is called Micturition .

6 0
3 years ago
Read 2 more answers
An enzyme is used as aln)
Novay_Z [31]

I'd say protein synthesizer.

5 0
3 years ago
Read 2 more answers
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