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Alex_Xolod [135]
3 years ago
6

Do you predict that salt will be able to move across the membrane?

Biology
1 answer:
jenyasd209 [6]3 years ago
3 0

Answer: The correct answer is

No, because NaCl is Ionic

Explanation:

NaCl can pass through the cell membrane because it is Ionic and separates into Ionic components Na+ Cl+.

Cell membrane are phospholipids bilayers and have hydrophobic tails and face inside of the cells . The fatty acids tails are non polar and only non polar substances can pass through it but salts is a polar molecules because it is an ion and cannot pass.

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Oncogenic viruses Oncogenic viruses are genetically unstable. have no effect on the host cell. are lytic viruses that kill the h
aleksandrvk [35]

Answer:

cause tumors to develop.

Explanation:

Oncogenic viruses are viruses that do not kill or lyses the cells of the host outright but has the capacity to cause to cause a long term infections that may eventually lead to the formation of tumor or cancerous cells within the body of their hosts.

<em>Hence, the fourth option is the correct option. That is, they cause tumors to develop</em>

5 0
3 years ago
In what way are the structures of dna and protein similar?
Verizon [17]
They are similar in three main ways 1.Both DNA and proteins are polymers. 2. Both are made from smaller subunits joined together. DNA is made of subunits called nucleotides joined together and protein is made up subunits called amino acids joined together. 3. In both of them, these subunits or monomers are linked together by covalent bonds. Nucleotides are a combination of a nitrogen - rich base that is either adenine, guanine, cytosine or thymine, together with a phosphate group and a sugar.
5 0
3 years ago
To reproduce, female elephants produce eggs and male elephants produce sperm. Offspring are produced by the fusion of an egg wit
borishaifa [10]

Answer:

The offspring are genetically distinct from the parents because they are produced by sexual reproduction. -C.

6 0
3 years ago
Read 2 more answers
A scientist notices that when she adds a small, water-soluble molecule to a dish of cells, the cells turn off transcription of a
Lelechka [254]

Answer:

Enzyme-linked

Explanation:

The cell surface receptors that have intracellular domains associated with enzymes are called enzyme-linked receptors. The added molecule was water-soluble and cannot pass through the membrane to bind to intracellular receptors. Binding of the added molecule to the enzyme-linked receptor led to the activation of associated enzymes to generate the response (down-regulation of expression of the target gene).

Examples of enzyme-linked receptors include tyrosine kinase receptors. Binding of the signaling molecule to these receptors triggers phosphorylation of the intracellular domain which in turn transmits the signal to the cytoplasmic messenger.

7 0
3 years ago
Alicia often travels from the very hot climate of South Africa to her native North America. Which sensory receptor helps her adj
qaws [65]

The right option is; Thermoreceptors

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Thermoreceptors are specialized nerve cells that are sensitive to detect changes in heat energy (temperature). Thermoreceptors are found in every part of the skin. They detect heat and cold, therefore, they allow sensory reception within the body. The sensitivity of the skin to temperature changes is based on the number of thermoreceptors and where they are located.


6 0
3 years ago
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