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stira [4]
3 years ago
13

The diagram above depicts a karyotype of an individual human. Which of the following statements concerning the karyotype in the

diagram is true? Select all that apply.
The diagram indicates an individual with an extra sex chromosome
The diagram illustrates a genetic condition found in females.
The diagram illustrates the results of nondisjunction during gamete formation.
The diagram indicates a mechanism for increasing genetic diversity in subsequent generations.

Biology
1 answer:
ololo11 [35]3 years ago
7 0

Answer:the diagram illustrates the results of non disjunction during gamete formation.

Explanation:

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Why does CaCl2 need to be added to cells to make them 'competent'? Why does CaCl2 need to be added to cells to make them 'compet
V125BC [204]
DNA is a negatively-charged molecule. Also cell membranes are negatively charged. The problem would be how to push this charges together? I<span>f you put some CaCl2 into the mixture, the CaCl2 will "split" giving 2Cl- and Ca2+. This last ion will be attracted by the negatively charged DNA and will "cover" it, hiding its negative charge. Hope this answers the question.</span>
8 0
3 years ago
Match each lipid with its correct components or description.
Mumz [18]

Answer:

(1) glycerophospholipids ⟶ (C) lipids with phosphate-containing head groups

(2) cerebrosides ⟶ (D) fatty acid linked through an amide bond to the sphingosine C(2)-amine

(3) gangliosides ⟶ (B) anionic sphingolipids containing one or more sialic acid residues

(4) sphingolipids ⟶ (A) built on sphingosine

Explanation:

1) Choline (Fig. 1) is a glycerophospholipid. It is a glycerol-based lipid with a phosphate-containing head group.

(2) Galactosylceramide (Fig. 2) is a cerebroside. It contains a fatty acid linked through an amide bond to the sphingosine C(2)-amine

(3) Gangliosides are glycosphingolipids that contain sialic acid. GQ1b (Fig. 3) is one of the most abundant gangliosides in the human brain. The carboxyl group of the sialic acid is in the ionic form.

(4) Sphingomyelin (Fig. 4) is a sphingolipid. It is based on sphingosine, with a phosphocholine head and a fatty acid chain.  

7 0
3 years ago
Woese a. was involved in determining rRNA sequences AND proposed breaking eukaryotes into domains Archaea and Bacteria. b. propo
katrin2010 [14]

Answer:

Option (e).

Explanation:

Karl Woese was an biophysicist and microbiologist. He was known as the originator of rRNA sequences in 1967.

Karl determines the 16rRNA sequence by the technique pioneered by Woese. He breaks the prokaryotes into two groups and discovered the third domain of life.

Thus, the correct answer is option (e).

3 0
3 years ago
How do veins return blood to the heart? select all that apply?
Jobisdone [24]
A relatively small blood pressure gradient is generally insufficient to move blood through the veins under given conditions, thus venous return must be facilitated by valves within veins and two "pumps." ... As skeletal muscles contract, veins are squeezed to help propel the blood toward the heart.
6 0
3 years ago
 glucose solution of density 1050 kg/m3 is transferred from a collapsible bag through a tube and syringe into the vein of a pers
34kurt

Answer:

0.136 meter

Explanation:

The following equation will be used to solve this question -

P_{atm} + \frac{1}{2} (rho)v^2 + (rho)gh = P_{inject} + \frac{1}{2}(rho)v_{inject}^2 + (rho)gh_{injec}

P_{atm} -P_{injec} = 1400\frac{N}{m^{2} }

Velocity is zero.

Removing out the nullified terms from the above equation, we get -

(rho)gh = P_{injec}\\1050 * 9.8 * h = 1400\\h = \frac{1400}{1050*9.8} \\h = 0.136 meter

Hence,  top of the liquid in the bottle must be at a height of 0.136 meter.

8 0
3 years ago
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