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levacccp [35]
3 years ago
10

Give three functions of the cell surface membrane. (plasma membrane)

Biology
1 answer:
ad-work [718]3 years ago
4 0

I can help with one but not 3... The Cell membrane can be used to help protect the inner parts of the cell such as the, mitochondria, cytoplasm, endoplasmic reticulum. (List more).

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Bas_tet [7]

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5 0
3 years ago
Scientists can use mutants to study metabolic pathways. These organisms have a mutation in a gene encoding a metabolic pathway e
lisabon 2012 [21]

Answer:

Pyruvate kinase

Explanation:

Yeasts convert glycerol and sugars into glyceraldehyde 3-phosphate (G3P) through independent pathways. Then, G3P forms pyruvate and, in some circumstances, pyruvate is converted in ethanol, which can be used as energy sources. If the mutation affects any reaction before G3P formation, it will only affect yeast growing either on sugar or pyruvate but not both.

Pyruvate kinase is the only enzyme on the list acting after G3P is formed and before pyruvate is formed. All other options are enzymes acting only in the formation of G3P from sugars. Meaning that only pyruvate kinase mutants will lack the ability to grow on both sugars and glycerol.

6 0
3 years ago
How many three fourths are in five halves?
marishachu [46]
To know how many \frac{3}{4} are in \frac{5}{2} we can simply divide \frac{5}{2} by \frac{3}{4}.
\frac{ \frac{5}{2} }{ \frac{3}{4} }=\frac{5*4}{2*3}=\frac{20}{6}=\frac{10}{3}
final result: 3,3333...
3 0
3 years ago
Select all that apply.
wolverine [178]
Black death, also known as the bubonic plague was one of the worst pandemics that ever happened, killing around 1/3 of Europe's population. It spread to Europe in the mid 1300's from China.

Black death victims were treated through magic, witchcraft, prayer and other methods. As for the two other options, they used medicine, but not antibiotics and radiation hadn't been discovered yet (it was discovered in the 1900's)
5 0
3 years ago
Read 2 more answers
A dog is found to have a tapeworm present in their stomach. What type of interaction is present between these two organisms?
amm1812

Answer:

Palatilism

Explanation:

Due to one organism benefiting (tapeworm ) while the other organism is harmed (dog)

8 0
3 years ago
Read 2 more answers
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