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Vladimir79 [104]
3 years ago
12

ur data for diffusion of water across a differentially permeable membrane in response to a sucrose gradient could be graphed wit

h Change in Weight on the vertical axis rather than Total Weight. How would you interpret the slope of the curves produced when you do this?
Biology
1 answer:
musickatia [10]3 years ago
6 0
The slopes show that sucrose gradient affects change in weight.

The slopes will be different because higher gradient concentration of sucrose will result in the higher amount of water moved. This means the higher sucrose gradient concentration, the more change in weight of the water. 
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SOMEONE PLEASE HELP ME!!! ITS URGENT!!!!! I NEED HELP PLEASE !ANSWER!!!!!! PLEASE ANSWER!!! WILL GIVE BRAINLIEST!!!!! 10 POINTS!
IRISSAK [1]
1) Third option.

2) Fourth option.
3 0
3 years ago
Man has a sister and a mother with albinism, an autosomal recessive disorder. the man (who is not ablino) has a child with a hom
Gnesinka [82]

autosomal recessive disorder=d

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5 0
3 years ago
A scientist investigated DNA replication in two groups of cells, labeled A and B. She injected radioactively labeled nucleotides
hichkok12 [17]

Answer:

A is a eukaryotic cell while B is a prokaryotic cell

Explanation:

The researcher can conclude that <u>cell A is eukaryotic while cell B is prokaryotic.</u>

In eukaryotic cells, the <u>DNA is located majorly in the nucleus and the replication of the DNA happens in the nucleus</u>. Hence, it is only logical to find segments of new DNA in the nucleus of cell A during replication.

<u>Prokaryotic cells, however, lack a nucleus</u>. Their DNAs lie freely within the cytoplasm. This thus means that replication can only happen in the cytoplasm. Hence, it follows logically to find a new DNA segment in the cytoplasm of cell B.

3 0
3 years ago
¿Cual de los siguientes solutos que pueden estar presentes en el liquido extracelular es transportado de acuerdo al modelo de me
kolezko [41]

Complete question:

¿Cual de los siguientes solutos que pueden estar presentes en el liquido extracelular es transportado de acuerdo al modelo de mecanismo propuesto en la ilustracion?

A) Etanol.

B) Calcio.

C) Glucosa.

D) Estrógeno.

E) Oxígeno.

<em>Nota: La ilustración se encuentra como un archivo adjunto.</em>

Answer:

Ión Calcio y Estrógeno son transportados por proteinas canal a traves de la membrana.      

Explanation:

Durante el paso de sustancias al interior o exterior de la celula ocurren dos tipos de transportes. Transporte activo y pasivo. El primero requiere de energia ya que se produce en contra de un gradiente electroquímico. El segundo, por otra parte, no requiere de energía ya que sucede a favor del gradiente electroquimico.

  • El transporte activo es mediado por proteinas transportadoras que actúan como bombas transportadoras.
  • El transporte pasivo puede ocurrir por
  1. difusión simple a traves de la bicapa lipídica (sin ningunaproteina que medie su paso),
  2. difusión facilitada a traves de proteinas canales (estas proteinas tienen forma de poro hidrofílico y permiten el paso de sustancias de un lado al otro de la membrana celular sin sufrir modificaciones. Permiten el pasaje de iones actuando como canales ionicos y de hormonas o neurotransmisores),  
  3. o difusión facilitada a través de proteinas transportadoras o carriers (estas proteinas son altamente selectivas y sufren un cambio temporal en su conformación al hacer pasar una sustancia de un lado al otro de la membrana plasmatica).    

<em>La ilustración adjuntada muestra un ejemplo de </em><em>proteina de canal</em><em> facilitando el transporte de distintas sustancias.</em>

A) Etanol.  Transporte pasivo. Difusión simple a traves de la bicapa lipídica.    

B) Ion Calcio, Ca²⁺.  Transporte pasivo. Difusión facilitada a traves de proteina canal.

C) Glucosa.  Transporte pasivo. Difusión facilitada a traves de proteina transportadora o carrier.

D) Estrógeno.  Transporte pasivo. Difusión facilitada a traves de proteina canal.

E) Oxígeno. Transporte pasivo. Difusión simple a traves de la bicapa lipídica.          

7 0
3 years ago
Cross sections of different areas of the same plant show cells with very
AnnyKZ [126]

Answer:

C. The cells in these two areas have different functions.

Explanation:

The plant tissues are classified into three major systems: vascular, epidermic, and root systems. The vascular system is formed by tissues referred to as xylem and phloem. The epidermis is composed of superficial tissues that cover plant organs (i.e., leaves, stem, roots, etc). Finally, the root system is formed by tissues whose function is to supply to other plant tissues and store nutrients. Moreover, the plant tissues are also classified into meristematic and permanent tissues. In this case, it is reasonable to suppose that structurally different plant cells that are located at different areas of the plant will have distinct functions.

6 0
3 years ago
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