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3 years ago

In which of the following ways is the general development of a fetus different during the first and third trimesters?

2 answers:

7 0

The correct answer is C. Body parts are created during the first trimester, and they complete their development during the third.

The first 12 weeks of pregnancy is the first trimester. This trimester is also regarded as the embryonic stage because developing baby is called embryo. During this trimester, body parts such as eyes, ears, the nasal passage, arms, legs, hair follicles, mouth are formed. The sex organs are developed by the end of this trimester.

The third and final trimester starts 25 weeks after pregnancy. All the body parts of the baby formation completed. The movement of the fetus in the womb increases.

saw5 [17]3 years ago

3 0

The answer is Body parts created during the first trimester, and they complete their development during the third.

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Bacteria in the phylum ________ occur as elementary or reticulate bodies depending on their life cycle stage, are obligate intra

HACTEHA [7]

Answer:

This question lacks options, options are:

Chlamydiae

Planctomycetes

Rickettsia

Bacteroidetes

The correct answer is Chlamydiae.

Explanation:

Chlamydiae together with mycoplasmas, constitute the bacterial species with the smallest genomes, possibly because they are obligate small intracellular parasites for a long time, which has allowed them to lose certain metabolic pathways, however, they contain DNA, RNA and ribosomes therefore synthesize their own proteins and nucleic acids. Chlamydiae have a unique biphasic life cycle: the elemental body, which is the infectious form, and the reticular body, which is the replicative and metabolically active form that possesses a fragile membrane that lacks the extensive disulfide bonds characteristic of elemental bodies. The characteristics of its biological cycle do not facilitate the possibility of exchange and acquisition of exogenous genetic material.

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3 years ago

Your grandmother has a rare disease for which a new genetic test has just been developed. if you are interested in a genetic tes

shtirl [24]

I would need to know whether or not the disease affects males or females more often. Whether or not it transfers from generation to generation. I would have to take a blood test and have it examined by a physician

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3 years ago

Does the price per bushel always increase with demand

d1i1m1o1n [39]

No, price doesn’t increase on demand.

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3 years ago

The entire population of microorganisms inhabiting an area, such as soil, humans, the large intestine, feces, or any part of of

lilavasa [31]

The entire population of microorganisms inhabiting an area, such as soil, humans, the large intestine, feces, or any part of the human body is known as a microbiome.

Microorganisms are those organisms that can be seen only through a microscope.

These are very small microscopic creatures that are hard to see with the bare eye and exist in colonial forms or as a single cell.

All bacteria, fungi, protozoa, and algae are microorganisms.

Some microorganisms are beneficial for humans while others have harmful and damaging impacts and also cause infections.

If you need to learn more about microorganisms click here:

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2 years ago

What organs are being affected from dwarfism???? And how????

Alexandra [31]

Pituitary dwarfism is caused by problems arising from the pituitary gland. The pituitary gland, also called the hypophysis, is a gland at the base of the brain that produces many different hormones. This gland is divided into the anterior (front) and posterior (back) halves. The anterior pituitary produces six hormones: growth hormone, adrenocorticotropin (corticotropin), thyroid stimulating hormone (thyrotropin), prolactin, follicle stimulating hormone, and lutenizing hormone. The posterior pituitary gland only produces two hormones: antidiuretic hormone (vasopressin) and oxytocin.

The growth process begins in the lower part of the forebrain in a small organ called the hypothalamus. The hypothalamus releases hormones that regulate the production of other hormones. When the hypothalamus releases growth hormone-releasing hormone (GHRH), the anterior pituitary is stimulated to release growth hormone (GH). Growth hormone then acts on the liver and other tissues and stimulates them to secrete insulin-like growth factor-1 (IGF-1). IGF-1 directly promotes the development of bone and muscle, causing bones to grow in length, and muscles to increase protein synthesis (make more protein).

Since growth is a complex phenomenon, it may be slowed down or stopped by abnormalities arising at any point in the process. Thus, dwarfism can result if there is a deficiency in any of these hormones, if there is a failure in the receptor cells receiving the hormonal stimuli, or if the target cells are unable to respond.

At its most basic, pituitary dwarfism results from decreased production of hormones by the anterior pituitary. When none of the hormones of the anterior pituitary are adequately produced, this is called panhypopituitarism. A common form of pituitary dwarfism is due to deficiencies in the production of growth hormone (GH). When less GH than normal is produced during childhood, an individual's arms, legs, and other structures continue to develop in normal proportions, but at a decreased rate.

hopre i helped

7 0

3 years ago