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jekas [21]
4 years ago
8

The impact of genes on observable traits can vary in different environments. thus, genes are said to be:

Biology
1 answer:
blondinia [14]4 years ago
4 0
They can be self-regulating. 
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The recommended order of draw for a complete blood count, prothrombin time, and cholesterol is:________
nalin [4]

Answer:

The use of the word "draw" here refers to the collection of blood samples for laboratory tests.

Step A - The first draw goes into the blood culture bottle or tube with a yellow cover.

Step B - This goes into the coagulation tube with a blue cover.

Step C - The next draw goes into the tube for non-additives. This usually has a red top

Step D - This features collection of blood into the tubes with additives. When dealing with additives, blood samples and additives it is important that the sample and additive is rigorously homogenized. This part can is broken down as follows:

  1. this goes into the SST tube. This tube contains a seperator and a clot activator and is usually is colour coded reddish-gray or gold top.
  2. This tube contains Sodium heparin and has a leaf green top
  3. This tube (PST) contains PST contains lithium heparin anticoagulant and a gel separator.  It's cover is colour coded light green
  4. This tube contains Ethylenediaminetetraacetic acid or EDTA for short. It's cover is usually colour coded lavendar
  5. This tube is labelled ACD that is Acid Citrate Dextrose. It's top is coded light yellow
  6. this tube contains Oxalate/Fluoride and it's cover must be colour coded gray.

Cheers!

4 0
4 years ago
A cross between two plants that both have yellow flowers produces 80 offspring plants, of which 38 have yellow flowers, 22 have
zvonat [6]

Always start with the genotypic ratios, because they'll be the same. Since hidden variation is popping out, you can assume that both of the parents are heterozygous. The problems you get will be the F2 ratio of the cross between two homozygous individuals.

1:2:1 is the genotypic ratio for one locus. AA:Aa:aa.

1:2:1 is the phenotypic ratio for incomplete dominance. Incomplete dominance means that the heterozygote expresses differently from either homozygote.

3:1 is the phenotypic ratio for complete dominance.

2:1 is the phenotypic ratio for lethal recessive.

3 0
3 years ago
Geologists use and fossils to infer what the environment of a place was like when a layer of it was forming.
Viktor [21]

Answer:

rocks

Explanation:

A geologist is a person who studies the rocks and the earth's surface to find different phenomenon. The study of rocks and he fossils found there helps the geologist to understand and  conclude the type of climate and the environment it formed the fossils of a place on earth. It provides large amount of information about the climatic conditions of the place when the layer of it was forming.

8 0
3 years ago
Is hiv a bacteria archea or eukarya
dlinn [17]
I think can be archea
8 0
3 years ago
Whether there is a net flow of fluid into or out of a capillary at a given spot along its length depends on _____.whether or not
castortr0y [4]

Answer: Depends on the balance between blood pressure and osmotic pressure.

Explanation:

The capillaries are part of the microcirculation that transports nutrients to the tissues and removes cell excreta. The walls of the capillaries are extremely thin, constructed of single - layer, highly permeable endothelial cells. Therefore, water, cell nutrients and cell excreta can all interchange quickly and easily between the tissues and the circulating blood.

The tissues of the body is made up of soo many capillaries which helps to deliver blood and it's contents to it. The hydrostatic pressure in the capillaries tends to force fluid and it's dissolved substances through the capillary pores into the interstitial spaces. Conversely, osmotic pressure caused by the plasma proteins( called COLLOID OSMOTIC PRESSURE) tends to cause fluid movement by osmosis from the interstitial spaces into the blood. This osmotic pressure excreted by the plasma proteins normally prevents significant loss of fluid volume from the blood into the interstitial spaces.

Therefore, a balance between hydrostatic pressure in the capillaries which is influenced by blood pressure and osmotic pressure in order for a net flow of fluid into or out of a capillary to occur.

7 0
3 years ago
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