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Temka [501]
3 years ago
8

as hominids evolved, their litter sizes decreased and their gestation period increased. which of the following inferences can be

made based on this observation?
Biology
1 answer:
yarga [219]3 years ago
5 0
That the hominids evolved with an increase in development within the womb and became more of a quality over quantity species
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3 years ago
How do scientific understanding, historical data, and monitoring help scientists predict weather and climate hazards?
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Answer: Predicting the size, location, and timing of natural hazards is ... of understanding that can be used to predict natural hazards

Explanation:

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3 years ago
The majority of photosynthesis occurring in plants takes place in the upper palisade layer of leaves. Therefore, it can be concl
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3 years ago
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Which statement provides a possible explanation for the growth
Shtirlitz [24]

Answer:

<u>3) Uncontrolled cell division occurred as a result of gene mutations</u>

<u />

Explanation:

Spontaneous modifications within the genome may occur during the process of cell division. When copies of the DNA inside the cell are made, these mutations cause errors; and can include small single nucleotide polymorphisms, and large scale additions or deletions across multiple genes.

Some, like somatic mutations, exist only inside vegetative (body) cells, that cannot be passed onto offspring. This is caused by several factors like

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UV radiation damages strands of DNA, by causing dimers to form; here, consecutive nucleotide bases covalently bond instead of those on the complementary strand. This conformational change causes errors in DNA proofreading and repair mechanisms where bases are not well-incorporated into the strand- tumors (clumps of uncontrolled cell growth) may form, resulting in melanoma, a type of skin cancer.

5 0
3 years ago
Triggering of the muscle action potential occurs after
vekshin1

Triggering of the muscle action potential occurs after Ach binds to chemically gated channels in the motor end plate membrane. Acetylcholine (Ach) is a neurotransmitter produced by nerve cells.

An action potential is an electrical signal that travels along the cell membrane as a wave.

This action potential (muscle action potential) drives the contraction of muscle fibers.

When the action potential reaches the neuromuscular junction (i.e., the motor end-plate), acetylcholine (Ach) is released into the synaptic cleft.

Subsequently, Ach can bind and open specific channels localized on the surface of the muscle cells, thereby depolarizing them and triggering muscle contraction.

Learn more in:

brainly.com/question/2158896

4 0
2 years ago
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