Lee and Celia are lab partners. While Celia pours a chemical into a graduated cylinder, some of the chemical splashes onto her arm. What should happen next?

Answers

Answer 1

Answer: She Should Go To A Washing Station To Get The Chemicals Off Of Her Arm

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Pepsin, a common enzyme found in the stomach, is most active at pH values between 0.5 and 2.5. It works slowly between pH values of 2.6 and 3.4. Beyond a pH of about 3.5, it becomes completely inactive. Why does this happen? A) The enzyme inactivates because it melts into a liquid when it is not at the right pH. B) The protein chain in the enzyme is denatured, permanently inactivating it as the pH approaches 7. C) The enzymes slow down, because changing the pH changes the temperature as well, and affects the reaction.

The base pairing rule states that A bonds with _____ and C bonds with ____.

Answers

A bonds with T and C bonds with G.

Congenital hypothyroidism is most often the result of _____, or underdevelopment of the hypothyroid gland.

Answers

Answer:

Hypoplasia

Explanation:

Congenital hypothyroidism is most often the result of hypoplasia. Hypoplasia is the process of incomplete development of an organ or tissue in the body. Congenital hypothyroidism is insufficient thyroid hormone production in newborn infants. The underdevelopment of thyroid gland, occurs when the fetus is still in the womb and can be seen in everywhere from tooth enamel to the corpus callosum of the brain, heart, ovaries, various muscle groups, and other regions.

Congenital hypothyroidism is most often the result of thyroid dysgenesis or underdevelopment of the hypothyroid gland.

Congenital hypothyroidism can occasionally also be brought on by a problem with how thyroid hormone is made or by a lack of iodine during fetal development.

Genetic changes or other factors that obstruct normal thyroid gland development can lead to thyroid dysgenesis. TSH receptor gene, PAX8 gene, and NKX2-1 gene mutations are a few genetic changes linked to congenital hypothyroidism.

Mothers who do not get enough iodine, pregnant women who are exposed to radiation, and people who are exposed to certain drugs or chemicals are other causes that may cause thyroid dysgenesis.

Learn more about Congenital hypothyroidism

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Predict the chemical formula of butyne, having one carbon-carbon triple bond.

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C÷C-C-C1-2-3-4 (left to right)The ÷ represents the triple bond.C1 is triple bonded to C2, as well as bonded to a H.C2 is triple bonded to C1, as well as bonded to C3.C3 is bonded to 2 H's, as well as C2 and C4.C4 is bonded to C3, as well as 3 H's.(Hope this helps, it's difficult to make a diagram on phone).

What is expected to happen to the death rate as population density and competition increase?a. decreases
b. increases
c. remains the same

Answers

Answer: a. decreases

Explanation:

A population density can be define as the number of individuals in a population of a species living in a unit of area in a particular time. The population density can be influenced by number of births, deaths, immigration, emigration and competition. The number of live birth in a concerned population and immigration (introduction of the new members) are likely to increase the population density of a region. But the number of deaths and emigration (the members of the same population move to a new habitat), and the competition (the members of the same species may compete among themselves for the same resources, the superior one will receive the resources and the inferior one will loose and may die) will decrease the population density.

According to the given situation, death rate and competition among the individuals will likely to decrease the population density.

As the population density increases therefore we probably have an increase in birth rate, aslo less space becomes available to individuals and if competition increases that means we probably have an increase in fighting (contest competition) therefore there might be an increase in individuals dying. Therefore I would say the answer is (c) the increase in population density would cancel out the competition. Hope this helps :).

How do the daughter cells compare to the parent cells ?

Answers

No, daughter cells refer to cell division. In mitosis, the daughter cells will be identical to the parent cell. However, in meiosis, there will be 4 daughter cells, each genetically unique from one another and the parent cell. This is because of crossing over that occurs in prophase I.

Answer:

The daughter cells are genetically identical to each other and the parent cell.

Which type of data is qualitative data?

Answers

Qualitative data is a categorical measurement expressed not in terms of numbers, but rather by means of a natural language description. In statistics, it is often used interchangeably with "categorical" data. Although we may have categories, the categories may have a structure to them.

its either qualitive or quanitive data

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