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otez555 [7]
3 years ago
11

Please some one help I’m struggling

Biology
1 answer:
kicyunya [14]3 years ago
4 0
B. the ball is gaining kinetic energy and losing potential energy at position B
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Cell is to tissue as<br> a. organ system is to organ
xz_007 [3.2K]
The statement is false, A cell is to tissue as an organ is to its organ system, not the other way around. as multiple cells make up tissue, organ systems do not make up an organ.
6 0
3 years ago
Sadie's continued use of marijuana will lead to her brain's reduction of the neurotransmitter _____, which will require her to n
NARA [144]

Answer:

Sadie's continue use of marijuana will lead to her brain's reduction of the neurotransmitter anandamide which will require her to need more of the marijuana to achieve its effects.

Explanation:

The active ingredient of marijuana is tetrahydrocannabinol (THC)which is responsible for causing change in the brain.

This activates specific receptors called cannabinoid receptor.This receptors are found in limbic and cerebral cortex region and cerebellum.

As these receptors are located in the brain, the effect of these receptors are also wide spread.In healthy brain, these receptors are activated by a neurotransmitter called as anandamide that have pain relieving effect and also play important function in brain.When THC activates these receptors,causes interference of the normal function.

marijuana also boost another type of neurotransmitter called dopamine after taking the drug.

4 0
2 years ago
How is meiosis different from mitosis.
Gemiola [76]

Answer:

the answer is b

Explanation:

at the end of meiosis, each gamite has two full sets of chromosones

7 0
2 years ago
Refer to this portion of a dichotomous key for fish identification to answer the question. 1. (a) Has a single dorsal fin ® 5 (b
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Answer: Step 7

Question: Refer to this portion of a dichotomous key for fish identification to answer the question. 1. (a) Has a single dorsal fin ® 5 (b) Has a double dorsal fin ® 2 5. (a) Has small fin on back near tail ® 6 (b) Has no fin on back near tail ® 7 6. (a) Has barbs near the mouth ® Catfish (b) Does not have barbs near the mouth ® 10 What is the next step to complete to identify a fish that has a single dorsal fin, no fin on the back near the tail, and no barbs near the mouth? step 2 step 5 step 7 step 10

6 0
3 years ago
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Thomas malthus influenced the development of darwin's and wallace's theories of natural selection.
posledela
A. True
Happy studies!
7 0
3 years ago
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