1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
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
You might be interested in
What is an ion? Help
AleksandrR [38]

Answer:

an atom or molecule with a net electric charge due to the loss or gain of one or more electrons.

Explanation:

An ion is defined as an atom or molecule that has gained or lost one or more of its valence electrons, giving it a net positive or negative electrical charge. In other words, there is an imbalance in the number of protons (positively charged particles) and electrons (negatively charged particles) in a chemical species

6 0
3 years ago
Hmg-coa reductase is a highly regulated enzyme. identify three distinct mechanisms by which this enzyme is regulated. for each,
Rufina [12.5K]
Regulation of HMG-CoA reductase is termed as the rate of controlling enzyme of the mevalonate pathway which produces other isoprenoid and cholesterol.
The regulation of cholesterol is done by regulating the rate which determines step catalyzed by HGM -CoA reductase.
There is long-term and short-term regulation where HGM-CoA is inhibited by phosphorylation and catalyzed of proteins. There is regulated proteolysis of HGM-CoA reductase where degradation of HMG-CoA reductase by oxidized derivatives of cholesterol.
5 0
3 years ago
What process releases the lease ATP per molecule of glucose for immediate cell use?
xxTIMURxx [149]

Answer:

I think it is pvruvate processing.

7 0
4 years ago
Which rock layer contains the oldest fossils?<br><br>1. A<br>2. B<br>3. C <br>4. D
dolphi86 [110]
4. D since its basically the bottom one
6 0
3 years ago
Read 2 more answers
Which is present when sudan iii changes to deep orange or red
Leto [7]
Sudan changes to deep orange or red in the presence of lipids.  Sudan in not soluble in water lipids will absorb sudan's particle that will cause the change in color. Lipids will form distinct fat layer in the solution. This can be done during experiment where a macromolecule is unknown.  Application of this experiment applies in health such as during confirmation of excessive fat in stool. The affinity of this dye to the lipids is high and alcoholic solutions of sudan dye can also be used.
5 0
4 years ago
Other questions:
  • Psychological aspects of pain perception can influence the release of the neurotransmitters called ________, the body's natural
    14·1 answer
  • Which defines a biome as a desert
    10·1 answer
  • What is a terminal moraine?
    6·1 answer
  • A strand of mRNA that is 72 nucleotide bases long would need how many molecules of tRNA to carry amino acids
    12·1 answer
  • Compute the total work and power output per minute for 10 minutes of
    12·1 answer
  • Cellular respiration takes place in the presence of and with the use of which of the following
    7·1 answer
  • if the polar bear requires 5,600,000 kcal of energy each year how much energy do the seals that it eats require each year HELP M
    8·1 answer
  • Helppppppp plzzz 10
    12·1 answer
  • Answer both questions.. would be greatly appreciated.
    10·1 answer
  • State the trophic level of each of the following: cow: ______________________ grass: _____________________ man: ________________
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!