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sammy [17]
3 years ago
15

How are the chromosomes of the offspring related to the chromosomes of the parents?

Biology
1 answer:
Vikki [24]3 years ago
5 0

Answer:

Chromosomes share dna

Explanation:

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What are the precautions that should be token when using a photometer? please help me​
Maksim231197 [3]

Answer:

PRECAUTIONS FOR USING A SPECTROPHOTOMETER :

1 . By allowing the lamps and electronics to warm up

2.By cleaning up any spills inside the cuvette compartment

3.By carrying out the set-up procedure in the correct order

4.By ensuring that %T or transmission is used as appropriate

5.By closing the door to the cuvette compartment before reading the result

6.By performing calibration checks after set up

7.By wiping fingerprints and spilt sample off the outside of the cuvette before measuring

8.By using the correct wavelength

PRECAUTIONS FOR USING A FRAME PHOTOMETER:

1. Do not move or Carry the unit when in use or connected to the mains electricity supply

2. There should be sufficient time for the chimney to cool before handling

3. Do not use acetylene with the flame photometer

4. Over adjustment of the fuel valve will cause excess flame

Do not position the product so that it is difficult to disconnect from the mains supply

5. Do not cover the chimney whilst in use.

6. Do not block or obstruct ventilation slots /airways

7. Do not operate or handle any part of the product with wet hands

I HOPE THIS WILL HELP AND IF NOT LET ME KNOW

8 0
2 years ago
Biologist use what to create a cladogeam and why
Fynjy0 [20]

Answer:

DNA/ Traits

Explanation:

they trace species origins back and find common point and every time they do, they connect them on the line, creating something that looks like "branches" google "cladogram"

8 0
3 years ago
The presence of which organelle indicates that eukaryotic cells have evolved from prokaryotic cells
mixer [17]

The presence of a membrane bound nucleus describes the evolution of eukaryotes from prokaryotic organisms. The endosymbiotic theory describes the same, the large cells engulfed the smaller ones, and the engulfed cells were not digested but started living in mutual cooperation with the engulfing cell. Mitochondria and chloroplast are thought to be the engulfed cell

3 0
3 years ago
23. What is MOST likely TRUE about forensic scientists?
Oliga [24]

Answer:

d

Explanation:

many of them become certified

5 0
2 years ago
how do you think earths large temperature gradient affects the speed of its convection currents how would this speed change if e
dezoksy [38]
A higher temperature gradient causes faster heat transfer, and thus faster convection currents. If the core were cooler, the temperature gradient would be lower, so the convection currents would likely slow down.
7 0
2 years ago
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