What is a common term for a sperm or an egg cell? A.Gamete B.Interkinesis C.Somatic D.Spindle

Jermaine was hiking in the rocky mountains for the first time and became sick. At the hospital, he was diagnosed with sickle-cel

Tom [10]

Sickle cell disorder is an inherited blood disease featured by defective hemoglobin. The condition affects the hemoglobin, or the red blood cells, and their tendency to conduct oxygen. The normal hemoglobin cells are round, smooth, and flexible, and thus, they can travel via the vessels in the body effortlessly.

On the other hand, the sickle cell hemoglobin cells are sticky and stiff and form a sickle, C shape, when they lose their oxygen. These cells combine together, and cannot effortlessly move through the blood vessels.

8 0

3 years ago

Kinetic energy is energy associated with ____.

Sliva [168]

Answer: Motion

Explanation:

Its motion becuase kinetic energy is movement/motion since it moves its balance

8 0

2 years ago

What are the characteristics of stem cells

gavmur [86]

Answer:

Explanation:

Long-term Self-Renewal: Stem cells are capable of division while remaining unspecialized.

Differentiation : Stem cells can divide asymmetrically, where one stem cell divides into two cells that have different cellular fates.

Induced Pluripotency : Stem cells that have been artificially created from specialized cells are called induced pluripotent stem cells.

Considerations : Due to their unspecialized nature, stem cells have a large research potential. The most pluripotent stem cells derive from the human embryo.

7 0

3 years ago

What causes genetic variation in a population

Gre4nikov [31]

Answer:

A lot of factors cause genetic variation in a population. The root of all genetic variation is mutations, which occur randomly.

A lot of genetic variation in fact results during meiosis, the process by which gametes (sex/reproductive cells) are formed. The 3 main ways are crossing over, independent assortment of chromosomes, and random fertilization. Crossing over occurs during Prophase I of meiosis, in which genetic material is exchanged between nonsister chromatids of homologous chromosomes. Independent assortment refers to the following: When cells divide during meiosis, homologous chromosomes are randomly distributed during anaphase I, separating and segregating independently of each other. Random fertilization is where any sperm can fertilize any egg cell. The many combinations of eggs and sperms mean variation.

Another source of genetic variation include gene flow. Gene flow is where populations have their members enter other populations (migration), influencing the gene pool of populations. This source is more controversial, however.

Random mating can also increase genetic variation.

8 0

2 years ago

I Using the key choices, identify the cell type(s) or blood elements that fit the following descriptions. Insert the correct ter

gregori [183]

Answer:

Neutrophil
Neutrophil
Eosinophil
Basophil
Red blood cell
Monocyte
Neutrophil
Monocyte
Lymphocyte
Megakaryocyte
Formed elements
Eosinophil
Basophil
Lymphocyte
Red blood cell
Plasma
Monocyte
Basophil

Explanation:

A. Red blood cell: Blood cell that is a product of the medulla. These cells contain hemoglobin that carries oxygen from the lungs to the rest of the body.

B. Megakaryocyte: Big cell easy to recognize for its size. Differs from other cells for being polyploid, growing by endomitosis, and being bigger. They have important biological functions. The most important one is the formation of plaquettes, necessary for hemostasia, damaged vessels reparation, and tissue healing.

C. Eosinophil: Granulosites. Immune System cells, active during infections, pathologies, inflammations, and allergies. Originated in the medulla and transported to the blood and organs. One of their functions is to defend the organisms from parasite infections, helping to destroy the pathogen.

D. Basophil: Granulosites. Immune System cells. in the medulla and transported to the blood. Only when there are parasite infections they can be present in tissues and organs. They release substances such as histamine that make possible the inflammatory process.

E. Monocyte: Agranulocyte phagocyte. Originated in the medulla and transported to the rest of the body. They differentiate into macrophages in tissues. They defend the body from bacteria and viruses. When monocyte values are elevated, usually means that there is an important process of infection.

F. Neutrophil: Phagocytic Leucocytes polymorphonuclear found in the peripheric blood. Compose the first defense line against bacterial and fungal infections. Product of the medulla and transported to the blood. They are the first to arrive at the affected tissue, followed by lymphocytes and macrophages.

G. Lymphocyte: Leucocyte. There are two types of lymphocytes: B cells, which can produce antibodies in the presence of bacteria, viruses, and toxins. T cells can destroy infected cells from the body. They all circulate in the blood.

H. Formed elements: Elements that might be found suspended in the plasma. These include all the mentioned cells and cell fragments

I. Plasma: Transparent, acellular, and kind of yellow liquid that represents 55% of the blood volume.

5 0

2 years ago