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3 years ago

100 POINTS which bone does not move when the muscle contracts

Biology

2 answers:

ololo11 [35]3 years ago

8 0

Answer:

Explanation:

when a muscle contracts, the movable bone attached to one end of the muscle will move. but the other end of muscle must be attached to a fixed (stabilized) bone called the origin which does not move.

Margaret [11]3 years ago

4 0

Scapula dosent move when the radius moves (in the arm)

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Which observation proves that a cell is a eukaryote?

NARA [144]

The cell contains a nucleus

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3 years ago

Enzymes are involved in biochemical reactions within the cells of all living organisms. Which statement best describes how enzym

uranmaximum [27]

I think it is A but not 100% sure. Think of an enzyme like a key unlock the lock is the protein. And to activate getting inside your car or house you have to fit the key into the lock.

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3 years ago

Ecosystem services include processes that increase the quality of the abiotic environment. Which of the following processes woul

slega [8]

Answer:

Option D, only II, III, and IV

Explanation:

Complete Question

Ecosystem services include processes that increase the quality of the abiotic environment. Which of the following processes would fall under this category?

I) Keystone predators have a marked effect on species diversity.

II) Green plants produce the oxygen we breathe.

III) The presence of land plants builds soil.

IV) The presence of diverse wetlands helps in flood control.

A) only II and IV

B) only I and III

C) only I, II, and IV

D) only II, III, and IV

Solution -

The services of ecosystem has been classified into four groups

a) Provisioning – Where essential abiotic and biotic substance are produces such as production of food and water, reproducing offspring etc.

b) Regulating – the ecosystems is controlled through environmental factors such as control of climate and disease

c) Supporting – Ecosystem support the activities that are essential for survival. Primarily includes all nutrient cycles, oxygen generation etc.

d) Cultural – Provide aesthetic view and recreational benefits

Option II co mes under supporting service of ecosystem

Option III co mes under Provisioning service of ecosystem

Option IV co mes under Regulating service of ecosystem

Hence, option D is correct

5 0

3 years ago

Anyone wanna helppppp??

xz_007 [3.2K]

The answer is Eukaryotic cells

3 0

2 years ago

classify if the recessive allele fibrosis is represented as c classify fibrosis is represented as c,classify the following genot

IrinaVladis [17]

Complete question:

If the recessive allele for cystic fibrosis is represented as c, classify the following genotypes as homozygous dominant, homozygous recessive, or carriers: CC,Cc, and cc. State which one has the phenotype of cystic fibrosis.

Answer:

CC - homozygous dominant

cc - homozygous recessive

Cc - carriers

cc will have the phenotype

Explanation:

Cystic fibrosis is an autosomal recessive disorder that affects the production of mucus in the body, primarily affecting the lungs and digestive system.

Because it is autosomal recessive, an affected individual needs to inherit 2 copies of the faulty gene. The presence of just one normal copy of the gene is sufficient not to cause the disease

In genetics, the dominant allele is usually displayed as a capital letter and the recessive as a small letter. Homozygous means someone has 2 copies of the same allele, heterozygous means they have different alleles. Therefore, CC - homozygous dominant, cc - homozygous recessive, and Cc - carriers. Only those with a cc genotype will be affected, as the presence of one dominant allele is enough to block the phenotype

7 0

3 years ago