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Do you have a question about how to do something? Looking for a handy guide? This Topic is for people to find "How To" guides to solve their problems, and for people who like to write guides and help others solve their more complex problems.

25,034 Questions

How to Describe the purpose of the plasma membrane?

The external, limiting lipid bilayer membrane of cells. A thin membrane around the cytoplasm of a cell. It controls passage of substances in and out of the cell. The plasma membrane allows a steady supply of nutrients to come into the cell also known as homeostasis. The plasma membrane contains proteins that span through the membrane and allow for the passage of proteins. The plasma membrane is located on the outside of animal cells or beneath the cell wall on plant cells.

It is called the lipid bilayer because it is composed of two layers of fat cells organized in two sheets.

LhadY Chelle p0..

How to convert kg-cm to foot lbs?

to convert from kg to Ib multiply by 2.2046 and to convert from cm to feet divide by 30.48

then to convert from kg.cm to foot.Ibs multiply by (2.2046/30.48)

How to moist macaron mixture is to dry?

To moisten a dry macaron mixture, add a small amount of water or egg whites a little at a time, stirring well after each addition until you reach the desired consistency. Be cautious not to add too much liquid, as it can make the mixture too runny and affect the final outcome of the macarons.

How to repair cut underground copper tubing from propane tank?

Copper tubing that is underground must be one complete piece.No connectors,no repairs.All fittings must be above ground.Also all underground copper tubing must be plastic coated to protect it from oxidation.

How to divide 21 kilometers per hour into 3 seconds?

To divide 21 kilometers per hour into 3 seconds, you first need to convert 21 km/h into km/s by dividing it by 3600 (since there are 3600 seconds in an hour). This gives you 0.00583 km/s. Then, you can multiply this value by 3 seconds to find the distance covered in 3 seconds, which is approximately 0.0175 kilometers.

How to Prevent her red blood cell count from decreasing as a result of the chemotherapy?

To prevent a decrease in red blood cell count due to chemotherapy, your healthcare provider may recommend taking medication to stimulate red blood cell production, undergoing blood transfusions, or receiving erythropoietin injections. A healthy diet rich in iron and folic acid can also help support red blood cell production. It's important to closely follow your healthcare provider's recommendations and attend all follow-up appointments to monitor your blood cell counts.

How to restore the Nextar gps as it gives message Application intellinavexe has performed illegal operation?

You can try resetting the GPS device by pressing the reset button or performing a hard reset as per the manufacturer's instructions. If the issue persists, you may need to update the device's software or firmware. Contact Nextar customer support for further assistance if needed.

How to ensure the burette does not leak?

There are a bunch of things that can cause a stopcock to leak. There are 2 common types:

Ground glass stopcocks can leak without proper application of stopcock grease either too much or not enough. It may also have dirty grease or glass. Clean it all off with acetone and reapply a very thin coating of high vacuum grease. The glass stopcock needs to be set in the housing with sufficient pressure to stop leaking. Turn it numerous times while seating the cock. There are various methods for holding the cock in place.

Tefflon (plastic) & glass stopcocks should be cleaned with acetone when they are new. Do not use grease of any kind. Make sure that there is no dirt or particles between moving parts…it will scratch the plastic and crate a channel (the plastic part will have to be replaced if scratched). Assemble the stopcock properly. The rubber O-ring should be between the nut and the plastic washer. The plastic washer should be against the glass. Tighten the nut to create sufficient pressure between the glass housing and the cock to stop any leaking. It should still be able to turn easily.

Rinse glassware after use and store stopcocks in the open position.

How to go from millimeters to meters?

To convert millimeters to meters, divide the number of millimeters by 1000. This is because there are 1000 millimeters in 1 meter. For example, if you have 5000 millimeters, dividing by 1000 gives you 5 meters.

How to draw floral diagram?

a few necessary steps need to be taken befora proceeding with the floral diagram. they are: 1. study the arrangement and number of floral whorls 2. write the floral formula 3. the diagrammatic representation of each whorl should be kept in mind, which will make the work easier.

How to Convert 1000 watt microwave recipe to 1650 watt?

It seems safest to put your microwave oven on low power (about 60%), should it have such an option. Otherwise, just multiply all times by 1000/1650, or approximately 0.6; for example, if it says 5 minutes, change that to 3 minutes.

How to calculate n factor of acids?

N-factor of an acid is its basicity or the no. of H+ ions it produces on dissociation per molecule of acid. Generally, it equal to the no. of H+ ions present in the molecule but in some cases it is different.

For example n-factor of some acids are:-

HCl :-1

H2SO4:-2

H3PO4:- 3

H3PO3:- 2

H3PO2:-1

CH3COOH:-1

How to compare kinetic energy on a car?

The formula for kinetic energy is:

KE =( mv2)/2

m= mass (not weight)

v= velocity

A more massive car will have more kinetic energy than a lighter one traveling at the same speed. A faster moving car will have much more kinetic energy than an identical car moving slower.

How to make cold water starch?

To make cold water starch, mix cornstarch with cold water in a bowl, adjusting the ratio to achieve the desired consistency. Stir until smooth and remove any lumps. Use this mixture as a starch alternative for ironing or as a thickener for sauces and gravies.

How to turn gas on after it has been turned off by gas company?

Contact your gas company to schedule a service appointment to turn the gas back on. A qualified technician will need to come to your property to safely restore the gas service. Do not attempt to turn the gas back on yourself to prevent any safety hazards.

How to Convert 46660 pounds to dry tons?

To convert pounds to dry tons, divide the weight in pounds by 2000, since there are 2000 pounds in a dry ton. For example, to convert 46660 pounds to dry tons: 46660 pounds / 2000 = 23.33 dry tons.

How to make a turmeric indicator?

buy turmeric powder

then take a glass of distilled water

add 1 teaspoon turmeric powder to it

you will notice that the color of the water turns yellow

this solution is your indicator

How to 120 volts to 277 volts?

yes, this can we done

there are two possible ways

1 is to have a transformer wound for 277 primary to 120 volt secondary

2 would be the same answer but to be able to buy it off the shelf.

How to determinaion the A2B blood group?

First off test your blood with antibody's against A and B.

The lab rats do this by making a solution of your blood and mixing this in several tubes with the antibody's. In your case both A and B will become clotted, because the antibody's against A react with your A antigens, and the antibody's against B react with your B antigens on the red bloodcells.

But, if you really have A2, the reaction between the Anti-A and A will be slightly less powerfull. To determine whether you have A2, the blood solution is mixed with antibodies against A1. If this doens't become react and become clotted, you don't have A1, thus you have A2 (there are other possibilities but the lab always gives it the name A2). And there you go, now the lab rats know you have the A2B bloodtype.

Ruben

How to convert kilometers into miles?

Multiply Km by 0.6214 to get miles.

The formula to convert miles to km

1 mi*

63360 in

1 mi

*

2.54 cm

1 in

*

1 km

100000 cm

=

1.609344 km

How to heat treat 440c stainless?

Heat treating of tool steel is a fairly simple process. Precautions must be taken to protect the tool steel from exposure to oxygen. Tool steels are susceptible to decarburization due to their relatively high heat treating temperature. Stress relieving of the tool steel may be necessary, especially if the tools are complex in design or have been heavily machined. Preheating may be required to reduce the chance of cracking or distortion. The tool steel is generally heat treated between 1500 and 2200F, depending on the grade of tool steel. The tool steel is held at the austenizing temperature longer enough for the elements to be dissolved into solution, then the tool steel is quenched. Quenching can be performed in air, water, oil or vacuum. The quenching medium is determined by the required quench rate and alloy content of the chosen grade. After quenching, the tool steel must be tempered. Tempering is usually perfromed between 350 and 1200F.

How to separate salt from water?

It can be simply separated by Boiling. Heat the solution until all the water evaporates and there will be a left over of salt. If you also want to save the water, you can use the process of Distillation or Recrystallization.

How to you say 1400 hours by military time It is correct with two pm or a thousand four hundred hours?

1400 hrs (Military is said as 'Fourteen hundred hours'.

On the civil clock it is 2;00 pm (post meridian(Latin); afternoon).

Casually said as 'two o'clock'

On the analogue clock, the large (minute) finger is pointing to '12' and the small(hour) finger is pointing to '2'.

How to write a set of quantum numbers for nitrogen?

The set of quantum numbers for nitrogen can be written as follows: n=2, l=1, ml=0, ms= +1/2 or -1/2. This corresponds to the second energy level, p orbital, zero magnetic quantum number, and either spin up or down.