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sdas [7]
3 years ago
5

In black bread mold spores are produced in structures called

Biology
1 answer:
Gekata [30.6K]3 years ago
3 0
In black bread mold spores are produced in structures called Sporangia. Black bread mold are fungus that reproduces in the same way like most molds. The molds make spores inside a sporangium and when the spores are ready to leave and spread more mold, the sporangium breaks open and lets the spores out. 
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List the 4 abiotic forms of nitrogen cycle and the chemical formula
weeeeeb [17]

Answer:

Four abiotic forms of nitrogen cycle and its chemical formula

Ammonium – NH^{4+}

Ammonia – NH^3

Nitrite – NO^2

Nitrate – NO^3

Explanation:

Ammonium: In the nitrogen cycle ammonium is starting point that is present in soil and are converted to various forms by different process.

Ammonia: In the process of nitrogen fixation, the bacteria having nitrogenase enzymes reacts with the nitrogen as well as hydrogen and produces the ammonia, which is further converted to organic compounds.

Nitrite: The nitrosomonas bacteria present helps in conversion of nitrogen gas into nitrite.

Nitrate: Again the Nitrite is converted into Nitrate by the nitrobacter. During the process of assimilation ammonium and nitrate are absorbed by the plants.

8 0
3 years ago
The interaction between which protein and ion initiates muscle coupling?
labwork [276]

Answer:

Troponin and calcium ions.

Explanation:

Troponin is a component of thin filament along with tropomyosin and actin. It is a protein complex to which calcium binds and start the production of muscular force.

Calcium also playing a very important role in muscle contractions, it binds with troponin and helping to move tropomyosin.

When calcium ion attached to troponin, then conformational changes occurs in troponin shape and moves which allow tropomyosin going away from its inhibitory position from the myosin-binding sites on actin. After this, the energized myosin head starts binding to the actin molecules and starts the cross bridge cycle, which helping in shortening the muscle's fiber.

3 0
3 years ago
a cell with 18 chromosomes divided by meiosis. which of the following statements best describes the expected daughter cells?
irina1246 [14]

Answer: there are four daughter cells. Each daughter cell has different characteristics from the parent

Explanation: did it

4 0
3 years ago
A researcher is observing the separation of sister chromatids during the process of mitosis in mouse fibroblast cells. If the re
WARRIOR [948]

Answer:

The correct answer is option B. "12 hours".

Explanation:

The process of mitosis in mouse fibroblast cells have been studied and characterized for researches purposes. Therefore, it is possible to predict that it will take around 12 hours for mouse fibroblast cells to begin the process of sister chromatids separation after finishing growing its organelles and synthesizing proteins. If the process takes less time than 12 hours will indicate a premature sister chromatid separation, and that something has caused down regulation or inhibition the histonedeacetylase (HDAC) activity.

7 0
3 years ago
5. Which of the following does NOT correctly match a fault with its boundary? *
serg [7]
C does not correctly match
8 0
3 years ago
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