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Naddika [18.5K]
3 years ago
11

In a human karyotype, chromosomes are arranged in 23 pairs. If we choose one of these pairs, such as pair 14, what do the two ch

romosomes of the pair have in common?
Biology
1 answer:
Rus_ich [418]3 years ago
4 0

Answer:

The correct answer is - position of the centromere, length, staining pattern, and traits coded for by their genes

Explanation:

The two chromosomes that are present in a pair of autosomes that are 22 in numbers in human and one sex-linked chromosome that is not like other autosomes.

Any two chromosomes of a pair of chromosomes like chromosome 14 are similar in shape and size, the staining pattern of both the chromosomes and the most important traits that they code for the same trait.

Thus, the correct answer is -  position of the centromere, length, staining pattern, and traits coded for by their genes.

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What kind of lab equipment would you use to conduct a small chemical experiment
Alexandra [31]

Answer:

Beaker - A beaker is a glass container with a flat bottom and a small spout for pouring. It is used in the chemistry lab for mixing, heating, and stirring liquids. Beakers come in various sizes and are shaped like a cylinder.  

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Bunsen burner - The Bunsen burner is a metal tube that produces a flame from gas such as methane, propane, or butane. It is used in the lab for heating and sterilizing. The Bunsen burner is named after German chemist Robert Bunsen.  

Bunsen burner

Crucible - Crucibles are containers used for heating substances to very high temperatures. They are generally made from materials such as porcelain, nickel, and alumina.  

Erlenmeyer flask - This is a type of chemistry flask with a conical shaped body, a cylindrically shaped neck, and a flat bottom. It generally has measurement marks on the side. It is similar to a beaker, but has the cone shaped body. The cone shape reduces losses from evaporation and helps to prevent spills when stirring the liquid.  

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Funnel - A funnel is a pipe with a wide mouth that helps to pour substances into a container without spilling. In a chemistry lab, funnels are often used together with filters to separate a mixture.  

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Gloves - Laboratory gloves are important to wear in order to protect the skin from chemical substances. Always listen to your teacher and make sure to wear gloves when performing experiments.  

Always wear gloves

Goggles - Goggles are very important when performing experiments of any kind. They can keep dangerous chemicals and other substances from damaging your eyes. Always wear your goggles in the lab!

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Graduated cylinder - A tall skinny cylinder used to measure volumes. It is generally a more accurate way to measure volume than a typical beaker or flask.  

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Mortar and pestle - A mortar and pestle are used to crush and grind solids into a powder. The mortar is a bowl and the pestle is a small club-shaped tool. They are typically made from ceramic or stone.  

Mortar and pestle

Pipette - A narrow glass tube used to transfer liquids from one place to another. Pipettes sometimes are used for measurement. The accuracy of different pipettes varies widely.  

Pipette

Scoopula - A scoopula is a metal spatula-type utensil used to scoop up solids such as powders in a chemistry lab.  

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Test tube - A test tube is a glass or plastic tube used for holding, mixing, and heating small quantities of liquid chemicals. Test tubes often have a flared top to help with pouring. They come in a variety of sizes.  

Test tube holder - A stand built for holding multiple test tubes.  

Test tube brush - A brush designed to help clean out test tubes.  

Test tube clamps - Clamps that hold test tubes while using them to heat up chemicals during a lab experiment.  

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Thermometer - A device used for measuring the temperature of a substance.  

Triangle - A triangle made of clay pipes and wire that can withstand high temperatures. It is often used to hold a crucible.  

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7 0
3 years ago
What a square and how is its used?
zmey [24]

Answer:

A square is a mathematical shape that has 4 sides and 4 corners. It has equal sides and is used for the graph paper squares or tiles.

6 0
3 years ago
Which is true about water molecules?
rodikova [14]

Answer: C

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It could be B as well but, I believe it's C

3 0
2 years ago
Do fish have ears? and if so is their any that don't?
Misha Larkins [42]
Fish don't have ears we can see but they have ear parts inside their heads. They pick up sounds in water through their bodies.
4 0
3 years ago
Made up of one or more cells
zheka24 [161]
An organism
because ALL organisms are made up of one or more cells! i hope this helped
8 0
3 years ago
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