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3 years ago

Which of the following is not true about a hypothesis?

Biology

1 answer:

zhannawk [14.2K]3 years ago

5 0

hypothesis can be reject or wrong because it's what somone thinks as a theory also it aslo cannot be proven correctly

and it aslo has to he tested many times

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When a chromosomes undergoes a deletion mutation, information is ?

Readme [11.4K]

Well,

By the word "deletion" we can deduce that information is lost. Therefore, when a chromosome undergoes a deletion mutation, information is lost. This can have disastrous effects if it is a human chromosome.

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3 years ago

Use the needleman-wunsch algorithm to find the raw score for comparison of the following sequences. rank them from the most like

lana66690 [7]

Answer: B. TEFKAGSAKGATLFKTRCLQ

D. TEFKAGSAKGATLFKTRCLQ

A.TEFKAGSAKKGATLFKTRCLQ

E. TEFKAGSAKKKGAGATLFKTRCLQ

C. TEFKAGSAKLGATLFKTRCLQ

Explanation:

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3 years ago

Binding of ________________ to receptors (ligand-gated) on the sarcolemma at the neuromuscular junction is vital for depolarizat

kifflom [539]

Answer:

Binding of ACh (acetylcholine) to receptors (ligand-gated) on the sarcolemma at the neuromuscular junction is vital for depolarization of the muscle fiber.

Explanation:

It allows acetylcholine to be released into this synapse when an action potential hits a neuromuscular junction. Acetylcholine attaches to the nicotinic receptors localized on the post-synaptic membrane of the muscle fibre's motor end plate, a specialized region.

Hence , the answer is ACh (acetylcholine) .

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3 years ago

Identify the evolutionary forces that can cause allele frequencies to change from one generation to the next.

Irina-Kira [14]

Allele frequencies to change from one generation to the next.-

B. Mutation; C. Random genetic drift; D. Migration; F. Natural selection

Selection, mutation, migration, and genetic drift are the mechanisms that effect changes in allele frequencies.
When one or more of these forces are acting, the population violates Hardy-Weinberg assumptions, and evolution occurs.

Why do allele frequencies change from one generation to the next?

Random selection: Allele frequencies may fluctuate from one generation to the next when people with particular genotypes outlive those with different genotypes.

No mutation: Allele frequencies may fluctuate from one generation to the next if new alleles are produced via mutation or if alleles mutate at different rates.

What are 5 factors that cause changes in allele frequency?

A population, a collection of interacting individuals of a single species, exhibits a change in allele frequency from one generation to the next due to five main processes.
These include natural selection, gene flow, genetic drift, and mutation.

Learn more about allele frequency

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The complete question is -

Identify the evolutionary forces that can cause allele frequencies to change from one generation to the next. Check all that apply

A. Inbreeding

B. Mutation,

C. random genetic drift

D. migration

E. extinction

F. natural selection

6 0

2 years ago

The way living things are organized can be represented on a chart. A portion of the organization chart is shown below: (1 point)

HACTEHA [7]

Answer:

The answer is Cells.

Explanation:

The chart is a basic molecular design of multicellular organisms.
Atoms, molecules, cells, tissues, organs, organ systems are the building blocks of the human body which combine together on the basis of similar function or structure to achieve various body functions.
Atoms form chemical bonds with other atoms and form molecules.
Molecules combine together to form cells.
Cells are the basic functional and structural units of life.
Cells that perform similar functions combine together to form tissues.
Two or more kinds of tissues that perform similar functions combine to form organs.
Organs, in turn, form organ systems such as the respiratory or cardiovascular systems etc.

3 0

3 years ago

Read 2 more answers