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blsea [12.9K]
4 years ago
13

The pruning goals for fruit trees are to develop strong scaffolds to support the weight of fruits and properly space branches to

facilitate harvesting, pruning, spraying, and other necessary orchard operations.
a. True
b. False
Biology
1 answer:
anastassius [24]4 years ago
5 0
Do you want to know why I was so trouble some
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increasing intracellular cAMP leads to smooth muscle relaxation by: Group of answer choices inhibiting IP3 channels, leading to
kirza4 [7]

Answer:

1. Inhibiting IP3 channels, leading to decreased Ca2 in the sarcoplasm and reduced contraction.  

2. Increasing the relative activity of MLCP, leading to a decrease in tension.

3. Activating K channels, increasing K leaking out of the cell which hyperpolarizes it and decreases the likelihood of Ca2 entry.

Explanation

In smooth muscle, cyclic AMP (cAMP) mediates relaxation because cAMP inhibits a specific kinase required for myosin light chain protein (MLCP) phosphorylation, thereby triggering contraction in the smooth muscles. It has been shown that cAMP inhibits 1,4,5-trisphosphate (IP3)-dependent calcium ions (Ca 2+) release by activation of the cGMP-dependent protein kinase (PKG). PKG proteins act to modulate Ca2+ oscillations by stimulating sarcoplasmic Ca2+-ATPase membrane proteins, increasing Ca2+ in the sarcoplasmic reticulum stores and Ca2+ efflux from the cells, and activate voltage-gated potassium (K) channels, thereby leading to membrane hyperpolarization and reducing Ca2+ entry through Ca2+ channels.

6 0
3 years ago
5. Describe at least two potential scenarios where Anna’s diabetes contributed to her death.
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Her blood sugar rose to high
Her blood sugar lowered to low
4 0
3 years ago
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Select the correct answer. Anna’s mother prepares sauerkraut, a fermented dish made from finely cut cabbage and salt. Lactobacil
Vladimir79 [104]

Answer:

The answer is D!

Explanation:

This dish is actually called fermented cabbage. Hence the process of lactic acid fermentation. I also took the test. Good Luck!

Hope this will help :)

8 0
3 years ago
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What are the starting materials and products of photosynthesis and cellular respiration?
xxTIMURxx [149]

Answer:

Photosynthesis materials: carbon dioxide, water

Photosynthesis product: glucose, oxygen

Respiration materials: glucose, oxygen

Respiration product: carbon dioxide, water

6 0
3 years ago
A group of researchers wants to develop an experiment to determine whether a new drug treats hypothyroidism effectively. The res
goldfiish [28.3K]

Answer:

Explanation:

The animals are used for examining and determining the effect of a particular new drug for the treatment of the diseases and disorders before they are examined over humans. This practice is called as clinical trial.

The ethical issue associated with given type of testing is that animals have right to live and survive. They should not be subjected to the treatment where they experience harm or even death.

8 0
4 years ago
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