A _______ is a segment of a chromosome that codes for a specific protein.A: gene
B: crossed out
C: amino acid
D: nucleotide

Answers

Answer 1
Answer: In the sentence "A _______ is a segment of a chromosome that codes for a specific protein", the word that correctly completes the sentence is A: gene. In other words, a gene is a sequence of a chromosome that holds the code for protein synthesis. In the transcription, the gene is transcribed into messenger RNA (mRNA). In translation, mRNA is translated into proteins.
Answer 2
Answer: A _______ is a segment of a chromosome that codes for a specific protein.
A: gene

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What are the components of nucleotides?

Answers

Answer: they consist of sugar molecules in RNA or you could define it as the deoxyribose that consists in DNA

Explanation: my answer be original

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2.Cells have semipermeable membranes that-
A
release ATP during the process of cellular respiration,
B
capture light energy in order to perform photosynthesis.
с
are the organelle responsible for cellular metabolism.
D
regulate the movement of material into and out of the cell.

Answers

I’m bad at biology so I don’t understand

Final answer:

Semipermeable membranes of cells regulate the movement of materials into and out of the cell, allowing the cell to maintain a balance of substances, a process known as homeostasis.

Explanation:

The function of the semipermeable membrane in cells is to regulate the movement of material into and out of the cell. While cellular respiration, photosynthesis, and cellular metabolism all happen within cells, they do not directly pertain to the function of the cell membrane itself. The membrane's semipermeable nature allows certain substances to pass through while preventing others, maintaining a balance of nutrients, ions, and other substances within the cell - a process known as homeostasis.

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Which of the following ligaments is a cylindrical band that connects the ovary to the uterus?A) Round ligament
B) Broad ligament
C) Suspensory ligament
D) Ovarian ligament

Answers

Answer:

D) Ovarian ligament

The ligament that connects the ovary to the uterus is called the ovarian ligament.

Explanation:

The ovarian ligament is attached to the ovary inferiorly. It connects the ovary to the side of the uterus. Structurally, it is a fibrous band of tissue that lies within the broad ligament.

Final answer:

The Ovarian ligament is the cylindrical band that connects the ovary to the uterus. Other ligaments like the Round ligament, Broad ligament, and Suspensory ligament have other roles within the female reproductive system.

Explanation:

The ligament that connects the ovary to the uterus in a cylindrical band is the Ovarian ligament (option D). The ovarian ligament is a fibrous cord that connects the ovary to the lateral surface of the uterus. This plays an important role in the female reproductive system by helping to keep the ovary in place.

Just to clarify further, the Round ligament is a ligament that connects the front of the uterus to the groin area; the Broad ligament is a broad fold of peritoneum that envelops the uterus, associated structures, and adjacent parts of the abdominal wall; the Suspensory ligament is a peritoneal ligament extending from the hilum of the ovary to the wall of the pelvis and contains the ovarian vessels.

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Which of the following is a nucleotide of DNA?a
ribose, phosphate, uracil
b
deoxyribose, phosphate, uracil
c
ribose, phosphate, thymine
d
deoxyribose, phosphate, cytosine

Answers

D.


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Which statement best describes the function of therespiratory passageways of a human?
A) They permit digestive end-products to make
contact with body cells.
B) They permit exchange between the external
atmosphere and the circulatory system.
C) They transport gaseous cellular wastes from
body cells to the lungs for excretion.
D) They regulate the amount of ammonia and salt
dissolved in body fluids.

Answers

B) They permit exchange between the external atmosphere and the circulatory system.

Final answer:

The function of the respiratory passageways in humans is to permit the exchange of gases, mainly oxygen and carbon dioxide, between the body and the external environment through the process of respiration.

Explanation:

The main function of the human respiratory passageways is primarily to permit the exchange of gaseous substances, namely oxygen and carbon dioxide, between the body and the external atmosphere. This is achieved through a process called respiration.

When we breathe in, oxygen from the air gets filtered and warmed in the respiratory passageways and reaches our lungs. It then gets transferred to the bloodstream. On the other hand, the carbon dioxide, a gaseous waste product of our body cells, moves from the bloodstream to the lungs, gets expelled through the respiratory passageways when we breathe out.

It's worth mentioning that the other options such as allowing digestive end-products to touch body cells or regulating the amount of ammonia and salt in body fluids are not direct functions of the respiratory passageways.

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Which of the following environmental impacts of mining could result in damage to buildings, including tilting, foundation cracking and disruption of utility lines? loss of biodiversityacid mine drainage
land subsidence
scarring of surface land

Answers

Correct answer is C land subsidence

Answer:

The answer is land subsidence!

Explanation:

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