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Leviafan [203]
3 years ago
6

Need help with three questions

Biology
1 answer:
evablogger [386]3 years ago
3 0

1. DNA (double helix)

2. idk

3. idk

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The anterior and posterior lobes of the pituitary differ in that _____.
sleet_krkn [62]

Answer:

many anterior pituitary hormones regulate other endocrine glands whereas posterior pituitary hormones regulate nonendocrine tissues

Explanation:

Anterior pituitary or adenohypophysis is the anterior lobe of the pituitary gland. Secretion of endocrine cells of the anterior pituitary is controlled by regulatory hormones released by hypothalamus. The hypothalamic releasing hormones bind to anterior pituitary endocrine cells, upregulating or downregulating their release of hormones. Anterior pituitary hormones stimulate endocrine glands: FSH and LH (ovaries and testes), TSH (thyroid), and ACTH (adrenal cortex).

Posterior pituitary or neurohypophysis is the posterior lobe of the pituitary gland. It  is not glandular it is just a collection of axonal projections from the hypothalamus. Posterior pituitary hormones regulate nonendocrine tissues: ADH-vasopressin (kidney tubules) and oxytocin (mammary glands, uterine tissues, brain).

7 0
3 years ago
What are the characteristics of a healthy cell and a cancer cell?
mart [117]
Normal cells<span> listen to signals from neighboring </span>cells<span> and stop growing when they encroach on nearby tissues

</span>
5 0
3 years ago
Which of the organisms might share the same community? -kangaroos-jack rabbit -cyclops -green algae -shelf fungus
Brut [27]
Kangaroo and Jackrabbits
5 0
4 years ago
Good night, luv you all, points
marusya05 [52]
Goodnight luv u too ;)
4 0
3 years ago
Which host factor(s) is/are associated with an increased risk of developing leukemia?
sineoko [7]

Answer:

E) All of the above

Explanation:

Leukemia -

It is a form of cancer , in the blood forming tissues in the body , which includes the lymphatic system and the bone marrow .

It involves the white blood cells , and the white blood cells re the potent infection fighters .

For people suffering from Leukemia , the bone marrow releases abnormal white blood cells , which are not able to work properly .

Leukemia increases the risk of , Chromosomal abnormalities , Inherited predisposition , Inherited predisposition and the Chronic marrow dysfunction syndromes .

6 0
4 years ago
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