BIOLOGY MIDDLE SCHOOL

A body of air in the atmosphere that has mostly constant temperature, humidity, and pressure is…A. Cold Front
B. Weather
C. Atmosphere
D. Warm front
E. Air Mass

Answers

Answer 1
Answer:

Answer:

E. Air Mass

Explanation:

The definition of an air mass is "a body of air with horizontally uniform temperature, humidity, and pressure."
Answer 2
Answer:

Answer:

E. Air Mass

Explanation:

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Many bacteria are able to pass small pieces of the hereditary information on their DNA from one bacterial cell to another. This can sometimes result in an increase in the number of drug-resistant bacteria. What name is given to the process by which one bacteria transfers DNA to another? A) sporolysis B) conjugation C) gametic transfer D) haploid translocation
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1. At about what temperature will 100 g of water dissolve equal amounts of potassium chlorideand barium hydroxide?

Answers

Answer:

Dissolving of solute in a particular solvent depends upon the temperature of the solvent.

Explanation:

Solubility is a amount of solute that can be dissolved in fixed amount of solvent at a particular temperature. It is crucial that the amount of solvent remains constant when a solubility of a substance determined .Here the amount of solvent (water) is kept constant at (100 ml). The variable that is changed the temperature of the solvent.

  Suppose a solution able to hold more solute at a particular temperature is unsaturated. A solution is able to hold maximum solute at a particular temperature is saturated. Under certain conditions a solution hold more solute than the maximum  amount at a particular temperature is supersaturated solution. Regarding the dissolving of barium hydroxide and potassium chloride is clearly given in a table which is attached.

Final answer:

The solubility of potassium chloride and barium hydroxide in water depends on the temperature, but specific data is needed to determine at what temperature they will dissolve equal amounts.

Explanation:

When it comes to the solubility of potassium chloride and barium hydroxide in water, the temperature plays a crucial role. Generally, the solubility of most substances increases as the temperature of the solvent increases. However, it's important to note that different substances have different solubility curves, meaning the relationship between temperature and solubility can vary.

In this case, we don't have specific solubility data for potassium chloride and barium hydroxide at various temperatures. It's best to consult a solubility chart or reference book to find the exact temperature at which these two substances will dissolve equal amounts in water.

Learn more about Solubility of potassium chloride and barium hydroxide in water here:

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Which is not a function of lipids?O form cell membranes
O energy storage
O waterproofing
O primary energy use

Answers

Answer:

D

Explanation:

Lipids are not primary energy molecules. Carbohydrates are the primary energy compound and immediately release energy. While lipids require time in the release of energy that's why they are not in primary energy use.

Which structure is used by an amoeba to move? I NEED ANSWER ASAP

Answers

Amoeba is a single cell organism , it doesn't need anything to move , therefore it uses its = Pseudopod , this is what allows is to move.

My reasoning for this is to look at a Venn-diagram with an example  for an  image of the Amoeba 

Answer:

D. Pseudopod

Explanation:

How do you use a Punnett square to develop a proportion to predict the variability of offspring in a certain cross?

Answers

A Punnett square can used to predict the variability of offspring in a certain cross by combining the combining the genotypes of the parents:
The genotype of the parents are written on the top row and on the first column. As an example, for hair texture trait, curly hair is dominant and straight hair is recessive.
One parent has the genotype CC (pure curly haired) while the other parent has the genotype Cc (hybrid curly haired). The Punnett square is shown below. The combination of the genotypes predict the possible offspring.
________________
|____|__C__|__C __|
|_C _|__CC_|_CC__|
|_c__|__Cc_|__Cc__|

Briefly describe he function of the cell parts (organelles)

Answers

1.       Cell membrane – mostly in animal cells, the protective layer in every cell
2.       Endoplasmic Reticulum – plays a role in synthesis and production of lipid and protein
3.       Ribosome – These organelles gather and use RNA to synthesize and produce polypeptides and protein
4.       Golgi Apparatus – serves as a courier that packages, modifies and sorts proteins and other materials that it receives from the endoplasmic reticulum
5.       Lysosome – acts a digestive system in cells, it metabolizes and breaks down wasted organelles or materials in the cell
6.       Microtubule – serves as a framework of the cell –cytoskeleton.
7.       Mitochondria – acts as the powerhouse of the cell that uses ATP and converts it to energy
8.       Nucleus – the control center of each cell. It regulates, monitors and organizes the whole cell



Transgenic organisms can express the foreign genes because all organisms are based on the same

Answers

Answer:

genetic engineering is possible because all organisms are based on the same. genetic code. scientists can study the effect of turning off a gene by using. gene knockout ... a ring of bacterial dna with foreign DNA inserted ... transgenic organisms can express the foreign genes because all organisms are bases on the same.

Explanation:
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