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
Ksenya-84 [330]
2 years ago
5

1.)Suggest why slow skeletal muscle fibres are small in diameter. 2.)The toxin curare was discovered in South America, where it

was used to tip poison darts. It works by competing with acetylcholine for the receptors on the postsynaptic membrane. Predict the effect of curare on muscular contraction. Explain your answer.
Biology
1 answer:
ryzh [129]2 years ago
7 0

Answer:

1, to strengthen the bone

2, I would say it causes them to tense up (contract)

You might be interested in
In which kingdoms are all organisms multicellular?
AleksandrR [38]
Multicellular organisms are reffered to as eukaryotes while unicellular organisms are reffered to as prokaryotes. Among the kingdoms, kingdom animalia and plantae are kingdoms in which microorganisms are considered as eukaryotes. 
5 0
3 years ago
Read 2 more answers
Human populations in low-UV environments tend to have more lightly pigmented skin. One explanation is that the selective pressur
nikdorinn [45]

Answer:

Lightly pigmented people tend to be at higher risk of vitamin D deficiency

Explanation:

BACKGROUND KNOWLEDGE:

Human skin is the largest organ of the body which makes boundary line between environment and internal conditions.  Human skin cell produces pigment called melanin when ever it is subjected to Sun. More the melanin pigment produced more will be the skin darkens. Ultraviolet (UV) radiations also come from Sun and responsible for more pigmentation.

ANSWER EXPLANATION:

According to the question darkly pigmentation only occurs when their is high level of UV radiations. High level of UV radiations are also responsible for Vitamin D production.

People with lightly pigmented means that there environment has low level of UV radiations which are the requirement of Vitamin D production. Hence due to low UV radiations peoples with light pigmentation's are also be at higher risk of vitamin D deficiency

7 0
3 years ago
How would expect the biomass to change after ten days if seeds and plants were provided the following conditions?
atroni [7]

Answer:

La biomasa (energía) se refiere a la biomasa «útil» en términos energéticos formales: las plantas transforman la energía radiante del Sol en energía química a través de la fotosíntesis, y parte de esa energía química queda almacenada en forma de materia orgánica; la energía química de la biomasa puede recuperarse quemándola directamente o transformándola en combustible.

Explanation:

8 0
3 years ago
Frogs produce a great deal of gametes. why?
VladimirAG [237]
<span> In order for the living of the species, when they reproduce, they do so in the millions so that a some of the progeny will be bound to survive.</span>
7 0
3 years ago
Identify the statement that describes the imperfection of natural selection. Identify the statement that describes the imperfect
kirill115 [55]

Answer:

Variability was seen as imperfection, so natural selection could only eliminate the inferior and imperfect, not giving rise to new things, new species.

:

5 0
3 years ago
Other questions:
  • Active transport ________. uses atp as an energy source can involve the transport of ions can move solutes against their concent
    7·1 answer
  • Which statement best describes the components of nucleic acids?
    14·2 answers
  • An organism has a haploid number of 8. what is the organism's diploid number
    15·2 answers
  • What problems do invasive species pose to an ecosystem?
    11·1 answer
  • Northern lights or auroras can be seen within the _____ sub-layer.
    14·2 answers
  • Which part of the DNA structure provides the genetic code for our traits?
    14·1 answer
  • louis pasturs experiments showed that bacteria did not grom in a flask unless they first entered from the surrounding environmen
    15·1 answer
  • How do you determine how many the chromosome numbers and how is it related to heredity
    13·2 answers
  • What are the effects of enzymes on chemical reactions? Select all of the answers that apply.
    15·2 answers
  • By definition, if the DNA of a cell undergoes a spontaneous mutation, is was NOT due to _________. Multiple Choice errors in DNA
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!