Which of the following describes how the septum in the heart affects blood flow? a.) It pumps blood out of the heart to the rest of the cardiovascular system when heart muscles contract. b.)It separates the heart's left and right sides to keep oxygenated and deoxygenated blood from mixing. c.)It separates the heart's upper and lower chambers to keep incoming and outgoing blood from mixing. d.) It accepts blood into the heart from the rest of the cardiovascular system when heart muscles relax.

Answers

Answer 1
Answer:

A Septum separates the heart's left and right sides to keep oxygenated and deoxygenated blood from mixing.

What is a septum?

The septum of the heart is the wall that divides the left side of the heart to the right side.

The septum that divides the upper chambers of the heart is called the atrial septum.

The ventricular septum divides the lower chambers of the heart.

Thus., the correct option is b.) It separates the heart's left and right sides to keep oxygenated and deoxygenated blood from mixing.

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Answer 2
Answer: the answer is actually b

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Cures and medicines for diseases, such as diabetes, can be credited to the study of _____.

Answers

Answer:

Biology

Explanation:

Study of various organ systems including the endocrine system of human provided information about the role of insulin hormone in the regulation of blood sugar level. It elucidated the role of insulin in the development of diabetes.  

Once information about the causes of the diabetes was obtained, the development of methods of its treatment became possible by targeting the regulation of normal insulin level in the body. This is how the study of biology helped in the development of treatment and medicines for disease such as diabetes.  

Cures and medicines for diseases, such as diabetes, can be credited to the study of Biology 

What do all multicellular organisms begin as?

Answers

When alot of cells are put together.

Looking at the diagram below, what is process 2 known as?brainliest to whoever is right! :D

Answers

Process 2 is known as transcription. Hence the correct option is c.

Transcription is a fundamental process in molecular biology that involves the synthesis of RNA (ribonucleic acid) using a DNA (deoxyribonucleic acid) template. This process plays a crucial role in the transfer of genetic information from theDNA to RNA, which is then utilized in the synthesis of proteins. Transcription is a multi-step process that can be divided into three main stages: initiation, elongation, and termination.

Transcription begins with the binding of an enzyme called RNA polymerase to a specific region of the DNA known as the promoter. The promoter serves as a signal for the start of transcription and provides the necessary binding site for RNA polymerase. Once the RNA polymerase is bound, it unwinds the DNA double helix to expose the template strand.

Transcription is a vital step in the central dogma of molecular biology, converting genetic information encoded in DNA into RNA. The resulting RNA molecules, such as messenger RNA (mRNA), serve as templates for protein synthesis during translation. This intricate process is tightly regulated to ensure accurate transmission of genetic information and the production of functional proteins essential for cellular functions.

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Answer:

Transcription

Explanation:

Transcription is the procces where dna is converted into rna by the enzyme polymerase

A biochemist isolates, purifies, and combines in a test tube a variety of molecules needed for DNA replication. When she adds some DNA to the mixture, replication occurs, but each DNA molecule consists of a normal strand paired with numerous segments of DNA a few hundred nucleotides long. What has she probably left out of the mixture?a. DNA ligaseb. nucleotides
c. DNA polymerase III
d. Okazaki fragments

Answers

Answer:

a. DNA ligase

Explanation:

DNA ligase is the enzyme of DNA replication that joins DNA segments together by catalyzing the formation of new phosphodiester bonds. These reactions use the energy of ATP molecules to form the bonds. The function of the DNA ligase enzyme is to join the Okazaki fragments together which in turn are formed during replication of the lagging strand. In the absence of DNA ligase, the Okazaki fragments cannot be joined together.

According to the given information, the process of DNA replication obtained shorts DNA segments of a few hundred nucleotides. This means that the reaction mixture lacked the DNA ligase enzyme and the DNA segments could not be joined together.

Which steering wheels navigation commands are most appropriate for 2d drafting applications?

Answers

Answer;

Realtime zoom

Explanation;

Zooming changes the magnification of the objects on the screen.

-When performing realtime zoom, the command active, pressing and holding the left mouse button and moving the cursor up to zoom in and down to zoom. After achieving the display that is wanted, the mouse button is released.

Explain how real soil compares to the dirt materials

Answers

I think that their are both soil but the dirt materials have many times more the fertilizer
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