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o-na [289]
2 years ago
14

Come all bad girls to see and show rrw-cwgr-nvv​

Biology
2 answers:
stellarik [79]2 years ago
5 0

<em>PONIES....I LOvE pOnIeS <3</em>

alex41 [277]2 years ago
4 0

Answer:

rebjikooytteeiofvk

Explanation:

ty

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Why can't meat, butter, or a chicken bone be composted?
stira [4]
Butter is mostly fat, A chicken bone is mostly calcium, and meat does not have a compostable composition.
8 0
2 years ago
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3 Which statement best describes a cause and its effect that occurs during the process of muscle contraction? A. The release of
Y_Kistochka [10]

Answer:A. The release of calcium ions causes myosin and actin to attach to each other.

The contraction of skeletal muscles takes place by induction of a nerve impulse, which produces a movement and the interaction of the filaments containing proteins named as actin and myosin. This interaction of filaments is regulated by proteins  called tropomyosin and troponin present on the actin filaments. The motor nerve causes the depolarization of the muscle membrane sarcolemma. This triggers the sarcoplasmic reticulum to release calcium ions. This calcium binds to troponin and thus allows the tropomyosine strand on the actin filament to displace so that the part of the actin where myosine head needs to be attached remain uncovered. Binding of the actin myosine filament results in contraction.

Hence, the release of calcium ions causes myosin and actin to attach to each other causes muscle contraction.

8 0
2 years ago
Name the possible ways that diseases are spread. Describe how this happens in communities.
Ilia_Sergeevich [38]
Some ways in which communicable diseases spread are by: physical contact with an infected person, such as through touch (staphylococcus), sexual intercourse (gonorrhea, HIV), fecal/oral transmission (hepatitis A), or droplets (influenza, TB) travel through the air, such as tuberculosis or measles.
7 0
3 years ago
In the family tree below, people with the recessive trait of attached earlobes
madam [21]

Answer:

C. It is a male with atleast one dominant allele

Explanation:

In the given pedigree, the two normal parents of the generation I have one daughter with the attached earlobe. Since the trait is recessive, the daughter should be homozygous recessive to express the trait. The genotype of the daughter (shaded circle in generation II) is "aa". To have a daughter with "aa" genotype, both the parents should have one copy of "a" allele. So, the genotype of both parents is "Aa".

In generation II, individual A is non-shaded square. Squares represent males in a pedigree. Since its not shaded, it does not have attached earlobe. Both the parents are heterozygous dominant for attached earlobes (Aa x Aa = 1/4 AA : 1/2 Aa : 1/4 aa). The genotype of this individual may be AA or Aa.

5 0
3 years ago
Which organelle makes the proteins that are needed by the cell?
lorasvet [3.4K]
The cell organ that makes proteins is the ribosomes

hope this helps :)
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3 years ago
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