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babymother [125]
3 years ago
12

The phospholipid bilayer describes a structure with:

Biology
1 answer:
Ira Lisetskai [31]3 years ago
4 0

Answer:

Polar heads on the outside and non-polar tails on the inside.

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How does an atom become a positive ion?
solong [7]

An atom that gains a negative electron, it becomes a negative ion. If it loses an electron it becomes a positive ion. Some atoms lose electrons and become positive ions. Others gain electrons and become negative ions.

6 0
3 years ago
Read 2 more answers
Gracie squeezed some grapes and kept the juice in a vessel for five days at room temperature.
asambeis [7]
"<span>lactic acid fermentation of the grape juice by anaerobic bacteria" is one among the following choices given in the question that shows what caused this change. The correct option among all the options that are given in the question is the second option or option "B". I hope that the answer has helped you.</span>
3 0
3 years ago
Stars which can be seen all year long are called stars.<br> True or False
drek231 [11]

Answer:

False

Explanation:

There are stars that we can not see because they are not in our galaxy. Even though we cannot see them they are still considered stars.

5 0
3 years ago
1. Michelle's classmates all decided to measure their height, and found the mean height to be 5'7". Tony's classmates all decide
Soloha48 [4]

It is not possible to determine this from this info. Thus, option "B" is correct.

<h3>What is standard error of mean?</h3>

The standard error of mean is computed by dividing the standard deviation to the square root of sample size. It can be represented as

The standard deviation of the sampling distribution is known as the standard error of mean because it measures the accuracy of sample mean as compared to population mean.

Thus, option "B" is correct.

To learn more about standard error of mean click here:

brainly.com/question/23781364

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3 0
2 years ago
A decreased ph coupled with a decreased plasma concentration of bicarbonate ion indicates that __________ is occurring and the _
stira [4]
A decreased pH coupled with a decreased plasma concentration of bicarbonate ion indicates that acidosis is occurring and the respiratory system will compensate for this change.  
<span>Acidosis (metabolic) is a state when increased acidity in the blood occurs and it usually refers when arterial pH falls below 7.35. Metabolic acidosis may result from increased production of metabolic acids (lactic, for example) and is characterized by low pH, low blood HCO3, and normal or low PaCO2. Metabolic acidosis is compensated with an increased exhalation of CO2 to reduce metabolic acid.</span>
6 0
3 years ago
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