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sladkih [1.3K]
3 years ago
6

Why can't plants and animals use the nitrogen directly from the atmosphere?

Biology
2 answers:
crimeas [40]3 years ago
8 0
The answer is C, because of the nitrogen cycle.
Lady_Fox [76]3 years ago
8 0
I would think it is B...

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It is estimated that 5.9% of Americans have diabetes. Suppose a medical lab uses a test for diabetes that is 98% accurate for pe
vagabundo [1.1K]

Answer:

P (actually that randomly selected person has diabetes given as given by the lab) = 0.7725

Explanation:

A probability is a number, between 0 and 1, expressing the precise likelihood of an event happening.

Probability (person actually has diabetes) = 5.9%

P(lab test says that they have diabetes) = 0.0764

P (actually that randomly selected person has diabetes given as given by the lab) = 0.7725

Workings shown in the figure below.

3 0
3 years ago
Plant hormonal regulation differs from animal hormonal regulation in that
Over [174]

Answer:

Plant hormonal regulation differs from animal hormonal regulation in that there are no dedicated hormone-producing organs in plants as there are in animals.

Explanation:

<em>Plant hormones control different functions in plants such as growth and development.</em> These hromones are signal molecules that affect gene expression and transcription levels. What diferentiates them from animals is that in plants there are no dedicated hormone producing organs. For example, that plants and insects produce their hormones differently.

5 0
4 years ago
10 points each answer and brainliest
kozerog [31]
The answer is the last one
6 0
3 years ago
Dendritic cells and macrophages kill by ingestion and destruction of particulate matter in a process called phagocytosis. Dendri
Korvikt [17]

Answer:

The statement is true

Explanation:

Hematopoietic stem cells give rise to myeloid progenitor and lymphoid progenitor and these two progenitors give rise to many immune cells. Dendritic cells are produced by both the progenitors and macrophages are produced by myeloid progenitor.

Both macrophages and dendritic cells are phagocytes. In phagocytosis, the foreing particles are injected by these phagocytes and they are destryoyed by the action of digestive enzymes present in these phagocytic cells.  

Macrophages are present in tissue and if they are present in blood they are called monocytes. Therefore the statement is true.

6 0
3 years ago
Which of the following is FALSE about protein molecules?
Ludmilka [50]
B. their fuction is a result of their shape and folding
7 0
3 years ago
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