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
ASHA 777 [7]
3 years ago
12

When a skeletal muscle fiber contracts during an isotonic concentric contraction, the distance between the Z bands of a sarcomer

e increases.True / False.
Biology
2 answers:
Orlov [11]3 years ago
8 0

Answer: False

Explanation: as the muscles shortens due to contraction, the actin filaments from opposite ends of the sarcomere approach each other. So the two Z bands come closer with reduction in length of the sarcomere

jonny [76]3 years ago
3 0

Answer:

False

Explanation:

The Z-line is a structure formed between adjacent sarcomeres and is found at each end of the sarcomere in striated muscle and defines the lateral boundaries of the sarcomere, its function is to give anchorage to titin and to the outer ends of the thin filaments.  Due to this anchoring function, the Z-lines are responsible for force of transmission and during contraction, as the sarcomere shortens, the distance between Z lines lessens

You might be interested in
You are studying natural selection in a population of small marine invertebrates called isopods that live on pink corals. In thi
yulyashka [42]

Answer:

Aa, bb

Explanation:

Recall that this question calls our attention to the theory of evolution as postulated by Charles Darwin. Species that are well adapted to their environment are more likely to survive, reproduce and pass on these favourable characteristics to their offspring.

In this case, the coral reefs are pink and pink Isopod species with small bodies are likely to escape the predators. Hence the genetic combination Aa(pink body) and bb(small body) are more likely to survive and reproduce.

8 0
3 years ago
Mendel believed that the characteristics of pea plants are determined by the what
MAVERICK [17]
I believe the answer would be the inheritance of units or factors from both parents.
7 0
4 years ago
A divide as it relates to Earth science is the
Brrunno [24]
A. Elevated land area that separates one watershed from another
8 0
3 years ago
Read 2 more answers
Identifying the Major Structures of the Integumentar
sergey [27]
The answers are skin, nails, hair
6 0
3 years ago
Read 2 more answers
Pls answer this you guy are amazing
Effectus [21]
Conduction is the answer
8 0
3 years ago
Other questions:
  • A broad stream of electron particles brushing upward from the surface of the sun is called a ?
    11·2 answers
  • Why was Dr. Salk's approach to developing a vaccine for polio considered unconventional and not fully accepted by fellow virolog
    11·2 answers
  • Carbon dioxide is not considered an organic molecule. Photosynthetic organisms turn it into an organic molecule in the form of a
    9·2 answers
  • Do Heterotrophs convert solar energy into chemical energy.
    14·1 answer
  • From which stage of water cycle does the well obtain water
    14·1 answer
  • Why might it be hard to restore a wildlife population using custodial management?
    12·1 answer
  • Gymnosperms are different from other plants in that they have seeds but do not have flowers
    7·1 answer
  • All of the following characteristics of hormones except Select one: a. Hormones alter activity in target cells b. Hormones inter
    11·1 answer
  • What happens in the cytoplasm?
    15·1 answer
  • A car travels 300 km in 6 hours. What's the average speed of the car? O 50 km/h O 65 km/h O 45 km/h O 75 km/h​
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!