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jok3333 [9.3K]
3 years ago
5

Arrange the steps in the correct order to explain how the muscle fibers contract

Biology
1 answer:
trasher [3.6K]3 years ago
7 0
Myosin and actin protein filaments attach to each other . Calcium ions release into myofibrilles . Myosin filaments pull on the actin filaments
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maw [93]
D - the chipmunk population would likely continue to increase
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3 years ago
Drag and drop a term to match these examples with the correct level of organization. Organ Organ system Tissue
sineoko [7]

Answer:

This question is incomplete as the term to match with the level of organisation is not included, the terms are;

circulatory system

cardiac muscle

heart

human body

The ANSWER is:

Organ = heart

Organ system = circulatory system

Tissue: cardiac muscle

Explanation:

The level of organization of multicellular organisms is made up of cell, tissue, organ, organ system and eventually organism.

- The tissue is composed of several cell, which are basic units of any living organism. Cells that perform similar function come together to form the tissue. Example is the CARDIAC MUSCLE in this question, which is a muscular tissue made up of cells called myocardiocytes.

- Organs are structures formed as a result of collection of tissues with similar function. For example, the HEART is a circulatory organ made up of cardiac tissues, connective tissues etc.

- Organ systems is made up of organs that perform the same function in a living organism. In the case of the CIRCULATORY SYSTEM, it is made up of organs such as heart, blood vessels, lungs etc.

7 0
3 years ago
Which element is a metalloid? Check all that apply.
lutik1710 [3]
Boron,germanium,silicone,arsenic,antimony,tellurium are the most common ones
6 0
3 years ago
Which represents the amount of potential food available at each trophic level? food chain food web o energy pyramid O biomass py
elixir [45]

Answer:

Web

Explanation:

3 0
3 years ago
Read 2 more answers
Single nucleotide polymorphisms (SNPs) are useful in epidemiology because:
Snezhnost [94]

Answer:

b. Their presence is evidence of a defect in DNA replication, and therefore proof that a given disease is present

Explanation:

Single nucleotide polymorphisms (SNPs) result from point mutations and correspond to the position where there is alternation of nucleotides A, C, G, T at a minimum allele frequency of 1% in a given population. SNPs can be present in both coding and non-coding regions of the genome. As a nucleotide alternation is the result of a defect in DNA replication and these defects cause syndromes and diseases; we can say that single nucleotide polymorphisms are evidence of a defect in DNA replication and therefore proof that a particular disease is present.

7 0
4 years ago
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