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marysya [2.9K]
3 years ago
7

Did dinosaurs exit at the same as mammals ?explain your answer using the geologic time scale

Biology
1 answer:
Vsevolod [243]3 years ago
8 0

Explanation:

Mammals are the only living synapsids. The synapsid lineage became distinct from the sauropsid lineage in the late Carboniferous period, between 320 and 315 million years ago. The sauropsids are today's reptiles and birds along with all the extinct animals more closely related to them than to mammals.

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A ligand can bind to two receptors, A and B. The Kd for receptor A is 0.001 nM and the Kd for receptor B is 1 nM. Based on the e
Pavlova-9 [17]

Answer:

The answer is: Receptor A because the ligand concentration is greater than the Kd.

Explanation:

Receptor A because the ligand concentration is greater than the Kd., because the conformation of a receptor protein composes the functional state. Ligands include substrates, inhibitors, activators, and neurotransmitters. So, Affinity is a measure of the strength of attraction between a receptor and its ligand.

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2 years ago
Docetaxel is a drug that is used in the treatment of cancer. It interferes with cell division by inhibiting microtubule depolyme
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Answer: Inhibition of Mitosis

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3 years ago
Drag each tile to the correct box. Explain the process in which hormones secreted by the pancreas function with respect to incre
ValentinkaMS [17]

Answer:

1) intake of glucose molecules from the blood by specific transporters

2) high amount of glucose in the blood, sending signals toward the pancreas

3) binding of hormones with receptors on the liver

4) release of hormones from the receptors

5) synthesis of hormones by beta cells

Explanation:

During ingestion of the meal, insulin is produced in response to high blood glucose levels (concentration of glucose increases after digestion of food). Like other hormones, insulin performed its action through binding specific signals to specific receptors e.g, liver, muscle cells.  The high glucose level in the blood send signals through hormones to liver, fat, and muscle cell receptors. These receptors release specific hormones to beta cells of the pancreas. In response to the signals from receptors, beta cells synthesize insulin to minimize glucose levels in the bloodstream.  

5 0
3 years ago
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The correct answer will get Brainliest!
Leto [7]

Answer:

Diversity of the community = 2.097

Explanation:

Given:

Number of pitch pines = 134

Number of douglas firs = 24

Number of red pines = 53

Find:

Diversity of the community

Computation:

Simpson's diversity index = N(N-1)/Σn(n-1)

Particular              n n(n-1)

Pitch pine         134       17822

Douglas firs       24 552

Red pine            53  2756

Total       N=211 21130

So,

D= [211(211-1)] / 21130

D = 2.097

Diversity of the community = 2.097

7 0
2 years ago
A euglena is a microorganism that can either make its own food using energy from the Sun, or it can feed on other organisms to g
ivanzaharov [21]

Answer:

D

Explanation:

Nutrition wise euglena is a producer, but locomotion wise it is classified as animal. Other example is chlamydomonas

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3 years ago
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