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Allushta [10]
2 years ago
11

Totipotent stem cells are cells with the capacity to form

Biology
1 answer:
melomori [17]2 years ago
3 0
True I’m pretty sure I just checked it and it said true so
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In conservative site-specific recombination, what is the name of the DNA sequence flanked by the recombinase recognition sequenc
Lady bird [3.3K]

Answer:

The correct answer will be option-Crossover region

Explanation:

Recombination is a complex process which leads to the exchange of the genetic material between sister chromatids.

The recombination process is mediated by the recombinase enzyme which recognize the specific sites and allows the formation of the protein-DNA complex called synaptic complex.

The synaptic complex contains the short asymmetric sequence called the crossover region, which represents the rejoining and the DNA cleavage site.

Since crossover region represents the recognition sequence which is flanked is known as the crossover region.

Thus, the crossover region is the correct answer.

3 0
3 years ago
Internal organs combine sperm with fluid energy source producing blank
yuradex [85]
Producing blank semen
3 0
3 years ago
Use the word bank below to complete the passage below describing mitosis and meiosis. All words will be used at least once and m
ExtremeBDS [4]

Answer:

1. diploid ,Mitosis

2. mitosis, meiosis

3. diploid, sister chromatids

4. haploid, homologous chromosome

5. haploid, sister chromatids

Explanation:

1. The Giant Panda has 42 chromosomes but these chromosomes exist in the form of homologous pairs therefore the Panda are diploid organisms. The somatic cells of the Panda undergo mitosis like skin cells.

2. The Germ cells are present in the testicles of the Panda which makes an exact copy of themselves by mitosis but these germ cells undergo meiosis to produce sperms.

3. The Mitotic division forms two daughter cells with the same genetic material because the sister chromatids of homologous chromosomes move to the opposite pole.

4. The meiosis I am also known as reductional division as the homologous chromosome separate and move to opposite poles during meiosis I and the ploidy changes from diploid to haploid.  

5. During meiosis II, the sister chromatids of a chromosome separate and move to the opposite poles as a result of this the haploid cells are formed.

7 0
3 years ago
(a) It is possible to measure a patient’s heart rate by either palpating their peripheral pulse, by observing their ECG, or by l
Dimas [21]
B)<span>When you listen to the heart sounds, you are hearing the flow of blood which stops abruptly when a heart valve closes. This produces the "lub-dub" sounds. 1st heart sound (when the Mitral Valve closes) as the ventricle contracts (systole) and then 2nd heart sound (when the Aortic Valve closes) and the ventricle starts to fill again (diastole)
</span><span>The pulse is the wave of pressure you can feel through the artery walls. This denotes systole.
</span><span>The ECG's QRS complex is the electrical signal that tells the Ventricles to contract. You can see that the QRS occurs right at the beginning of systole and triggers Isovolumetric contraction.
</span><span>So the QRS on the ECG, the pulse wave you can feel (ie. the rise in aortic pressure) and the 1st heart sound all signify SYSTOLE.
</span><span>there a delay between systole of the ECG and the resulting pulse felt in the finger (R-Pulse) </span>because it takes a little bit of time for the pressure to transmit through the body, as the finger is not on the heart (if it was there would be no delay)
7 0
3 years ago
(a) List the chemical characteristics of molecules that are most likely to move by simple diffusion across the lipid bilayer of
mojhsa [17]

Answer:

Explanation:a) low melting point

Poor conductivity

: Low solubility

Low solubility The mass is equal to the sum of the masses of all the individual atoms in the molecular structure.

b) The cross-sectional area of the fluid.

Therefore The diffusion coefficient is a physical constant dependent on molecule size and other properties of the diffusing substance as well as on temperature and pressure.

6 0
3 years ago
Read 2 more answers
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