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steposvetlana [31]
3 years ago
10

Which structure produces blood cells?

Biology
2 answers:
notka56 [123]3 years ago
7 0

Answer:

Explanation:

C. Bone marrow

lozanna [386]3 years ago
4 0

Answer:

b. bone marrow

Explanation:

mark me brainliest

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a researcher wishes to know whether there is a significant difference in the number of knee injuries reported among four sports.
boyakko [2]

Answer:

Chi-square analysis cannot be used to check for significant difference in the number of knee injuries among four sports.

Explanation:

The chi-square analysis is a statistical procedure that is used to test association between measured variables or goodness of fits of a set of measured variables to expected outcomes.

<em>In the case of testing for significant difference, chi-square analysis cannot be used as testing for significant difference in two or more means requires using t-test, analysis of variance, or any other relevant statistical procedure.</em>

To compare number of knee injuries reported among four sports for significant difference, the most suitable statistical procedure would be analysis of variance.

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8 0
4 years ago
Which of these processes does not require the cell to use energy A cell division b protein synthesis c DNA replication D diffusi
weeeeeb [17]

Answer:

D diffusion across a membrane

Explanation:

Based on whether or not energy input is required, there are two types of processes viz: passive and active. Passive processes are those that do not require energy input in form of ATP while active processes require energy input to occur.

An example of passive process is DIFFUSION, which is the movement of molecules from a region of high concentration to a region of low concentration across a membrane. Diffusion is passive i.e does not require energy, because movement occurs down a concentration gradient.

Other processes in the options like cell division, DNA replication and protein synthesis all require energy input to occur.

6 0
3 years ago
Plants can make their own food through photosynthesis and then break it down for usable energy through the process of cellular r
Ede4ka [16]
Less physical waste, cleaner energy, less environmental effects, list goes on.
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6 0
3 years ago
Read 2 more answers
Which of the following is NOT a function of a protein?
vekshin1

The storage + the transmission of genetic info are NOT done by proteins but by your DNA.

A would be your answer.

8 0
3 years ago
Read 2 more answers
When carbon bonds with oxygen, what gas is formed?
Troyanec [42]

Answer:

Carbon Monoxide

Carbon forms two important gases with oxygen: carbon monoxide, CO, and carbon dioxide, CO2

Explanation:

Hope this helps:)

8 0
3 years ago
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