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mash [69]
3 years ago
13

Can someone help me with this question ?

Biology
2 answers:
katen-ka-za [31]3 years ago
8 0

Answer:

its A: they push or pull without touching the object

Explanation:

Someone correct me if I'm wekng please

KIM [24]3 years ago
6 0

Answer:

A.

Explanation:

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Contact [7]
Your answer is B for your question
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3 years ago
A blank biome is a dense forest found in upper regions of the northern hemisphere
Snezhnost [94]
The answer is: boreal
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3 years ago
Unicellular organisms would most likely have _____.
lesantik [10]
<span>Unicellular organisms would most likely have isogametes.

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5 0
3 years ago
Read 2 more answers
Los autosomas son aquellos cromosomas que se caracterizan por
bearhunter [10]

Answer:

Los autosomas o cromosomas autosómicos han sido ordenados de acuerdo a la morfología que poseen. ... Cada par de cromosomas son homólogos, es decir, contienen genes idénticos, con la misma ubicación a lo largo de cada cromosoma (locus). Ambos codifican para las mismas características genéticas.

Un autosoma es cualquier de los cromosomas, excepto los cromosomas sexuales. Los humanos tienen 22 pares de autosomas y un par de cromosomas sexuales (el par número 23, formado en las mujeres por dos cromosomas X y, en los hombres, un cromosoma X y un cromosoma Y).

3 0
3 years ago
How would you make 2.5 liters of an aqueous solution containing 150mM Tris (the MW of Tris is 120g/mole)? (Hint: Do the necessar
lisabon 2012 [21]

Answer:

45 g of the solid Tris will be dissolved in 2.5 liters of water.

Explanation:

Recall that:

<em>Number of moles  = molarity x volume</em>

Hence, number of moles of Tris present in 2.5 liters, 150 mM solution:

= 150/1000 x 2.5 = 0.375 moles

Also, recall that:

<em>No of moles of substance = mass/molar mass.</em>

Hence, mass of 0.375 moles substance:

= no of moles of the substance x molar mass of the substance.

= 0.375 x 120 = 45 g.

Therefore, in order to prepare 2.5 liters, 150 mM of an aqueous solution of Tris, 45 g of the solid Tris will be dissolved in 2.5 liters of water.

6 0
3 years ago
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