Alternate versions of a gene are called _______________. they can code for different ________________ of the same character. select one:
a. bases; alleles
b. alleles; bases
c. bases; chromosomes
d. chromosomes; traits
e. alleles; traits

Nitrogen gas and hydrogen gas

Answer:

The water that falls from the sky today as rain may have once been part of the ocean because of the cycle of water.

Explanation:

The water cycles between the ocean, the land, and the atmosphere. In a simple way to explain:

1. Water from the ocean, streams, rivers, and lakes evaporates and go to the atmosphere.

2. In the atmosphere, the water cools and condense in clouds. 

3. Then, water from the clouds goes down to the land through snow or rain. 

4. Then, water from land is collected in ocean, streams, rivers, and lakes; and the cycle begins again. 

Answer: Correct answer B. The principle of independent assortment

Explanation: The Principle of Independent Assortment, refers to crosses refers to dihibited crosses carried out in peas by Mendel. This principle explains that genes will be segregated or separated independently in meiosis, resulting in different allelic combinations in gametes and also the different combinations of characteristics in the offspring. Keep in mind that this principle only applies to gene traits that are on different chromosomes (not linked).

Explanation:

energy released from glucose by the process of cellular respiration is in the form of adenosine triphosphate (ATP)

Final answer:

The Dust Bowl was a push factor that led to the migration of millions from the Great Plains due to environmental and economic collapse from drought and poor land management.

Explanation:

The Dust Bowl in the Great Plains is the best example of a push factor. This environmental disaster, caused by a mix of drought and poor land management practices, resulted in severe wind erosion that devastated the farmlands. The consequence was a mass exodus, with millions of people moving out of the affected states between 1930-1940, during one of the largest migrations in US history.

As conditions in the Great Plains deteriorated, farms became unsustainable due to the lack of water, leading to failed crops, immense dust storms, and economic hardship. The Dust Bowl directly pushed people away from their homes and livelihoods in search of better living conditions elsewhere. This movement was largely influenced by the lack of agricultural opportunities following the ecological and economic collapse in the region.

The first step in the scientific process is typically B. observation. Therefore, option B. observation is correct.

Before forming a hypothesis, conducting experiments, or asking specific questions, scientists often begin by making observations of the natural world.

These observations can lead to questions and hypotheses, which then guide further experimentation and investigation.

So, while all the options mentioned (hypothesis, experimentation, asking a question) are important components of the scientific process, observation usually comes first as it serves as the foundation upon which the rest of the process is built.

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The agent that a patient is receiving of which is instructed to avoid having to take alcohol or to have alcohol consumption is the medication metronidazole. This drug prohibits a person from taking alcohol as if this is mixed with alcohol it may lead to complications and side effects.

Answer:

The correct answer will be DNA.

Explanation:

The nucleic acid-  DNA and RNA acts as genetic or heredity material of the organism. It acts as the genetic material of the cell as it can store the information required for the cell to maintain its life in coded form.

In the given case, since the cell is a eukaryote, its genetic material is DNA which acts as the genetic material of the cell. The information of the animal cell is stored in the form of codons which are triplets of the nitrogenous bases arranged in the coding region of the genome called genes.

It is these codons which code for the specific amino acids which bind with each other to form proteins. These proteins serve important functions of the cell from a catalytic role to the structural component.

Thus, DNA is the correct answer.

Based on the distribution of her activities in her spreadsheet, Lori should record Wednesday's 2 hours of cardio in cell 2D.

To know which cell in her spreadsheet Lori should use to record her Wednesday activity, we must take into account that:

According to the above, all Wednesday activities should be recorded in boxes D. On the other hand, they should be classified in row 2 if they are cardio and 3 if they are strength. So Wednesday's 30-minute cardio activity should go in cell 2D.

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Answer:

c2

Explanation:

Final answer:

The first Thanksgiving in 1621 featured a menu of venison, fowl, fish, and harvested crops, shared between the Pilgrims and the Wampanoag tribe, marking a moment of cooperation and gratitude.

Explanation:

The first Thanksgiving in 1621 was a gathering that symbolized cooperation and gratitude between the Pilgrims and the Wampanoag tribe. The feast likely included venison, fowl such as ducks and geese, fish, and possibly wild turkey, alongside harvested crops like corn. This event contrasted with modern Thanksgiving celebrations, notably in the absence of iconic dishes like pumpkin pie and cranberry sauce. The meal was consumed without the convenience of eating utensils, using only knives and their hands, embodying a much more rudimentary form of dining. This historical feast underscores the importance of adaptability, and the combined efforts of the Pilgrims and Native Americans in celebrating the fruits of their first successful harvest in the New World.

“The socially constructed features of women and men, such as conventions, roles, and connections of and between groups of women and men,” is what is meant by the term “gender.”

Females, who have ovaries and create eggs, are distinguished from men, who have testes and generate sperm. Male mammals often have XY chromosomes, while female mammals typically have XX chromosomes.

Approximately 20,000 genes are shared almost equally by males and women. The sex chromosomes are the only physical distinction between them in terms of genetic makeup.

Y chromosomes are only found in males. Although both sexes have one copy of the X chromosome, females have two copies. Males have only one copy.

Therefore, gender refers to the biological differences between men and women.

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Final answer:

Plasmodesmata are channels connecting the cytoplasm of adjacent plant cells, allowing for the transfer of materials and signals, essential for plant communication and coordination.

Explanation:

Role of Plasmodesmata in Plant Cells

Plasmodesmata play a crucial role in maintaining cellular communication and transport in plant cells. Since the plasma membranes of neighboring plant cells are separated by rigid cell walls, these structures provide the necessary channels for cytoplasmic interconnectivity. Through plasmodesmata, materials such as nutrients, signal molecules, and water can be efficiently transported from one cell's cytoplasm to an adjacent cell's cytoplasm. They enable the entire plant to function as a coordinated unit, with water and nutrients being transferred from roots to stems and leaves, and signals being disseminated across the plant's cellular network.

Contrary to animal cells that use gap junctions for communication, plant cells utilize plasmodesmata. These channels are selectively permeable, allowing only specific small molecules, like calcium ions, to pass through while keeping larger molecules such as proteins and DNA out. This permeability ensures that while cells can quickly transmit signals and coordinate responses, they also maintain their individuality.

In conclusion, plasmodesmata are indispensable for the growth and survival of plants as they facilitate the essential processes of communication, coordination, and transport throughout the entire organism.