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myrzilka [38]
3 years ago
10

Autism is a disability that results from a disorder in the central nervous system. it has been speculated that the increasing nu

mber of cases of autism in recent years due to the increase in the number of vaccinations given to young children
What is the Independent variable and dependent variable.

Write a hypothesis to test this speculation in proper format...
Biology
2 answers:
Brrunno [24]3 years ago
6 0
Vaccinations given to younger children
GarryVolchara [31]3 years ago
4 0
Independent variable: whether a vaccination was given to a young individual (at a set age)

Dependent variable: (what you measure) would be whether the child has autism (yes or no answer) or whether they are on the spectrum.

The hypothesis would be based on your opinion but would be an if...then... statement. E.g. if the child is given a vaccination then there will be no effect whether they have autism
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3. Determine which would have fewer protein and DNA base
Pani-rosa [81]

Answer:

Chimpanzees

Explanation:

Chimpanzees are much more closely related to humans in an evolutionary sense that cows are. Chimpanzees and humans are both primates, characterized by features like advanced cognition, grasping hands and feet, and front facing eyes. In contrast, cows belong to a different of bovine animals.

Because we are evolutionary more related to chimpanzees, that means our DNA has undergone less change over evolutionary time. That means that the sequence will be more similar to chimps

3 0
3 years ago
Which of the following items is NOT found on the periodic table?
soldier1979 [14.2K]

Answer:

b

Explanation:

4 0
2 years ago
How might the management of nonrenewable resources be different fron the management of renewable resources?
Elden [556K]

Nonrenewable resources and found it fixed amount hence not managing properly will lead to full use of it and cannot be replaced

Explanation:

  • Nonrenewable resources are found in the ground and they are the natural resources created by nature
  • It includes fossil fuels, like natural gases, oil, coal, etc and also the minerals used for making metals
  • These natural resources have taken more than human's life span to form, up to million years. Hence, replacing of these natural resources are not possible
  • Renewable natural resources are trees, water, air. These resources can be recycled and they are also circulating in the atmosphere in the form of a cycle.
  • Hence, nonrenewable resources should be managed properly for it last for the coming generations.

3 0
3 years ago
how does the random alignment of homologous chromosomes contribute to genetic variation in a population
SCORPION-xisa [38]

The assortment of homologous chromosomes during meiosis is random and generates genetic variation, the raw material for evolution.

During metaphase I of meiosis, homologous chromosomes are lined up at the equator plate of the cell in order to be separated (assorted) in anaphase I.

The separation of homologous chromosomes during meiosis I is random. Daughter cells receive unique gene combinations from an original parent cell.

Subsequently, haploid cells got from two successive meiotic divisions fuse during fecundation to form a diploid (2n) zygote.

During prophase I, non-sister chromatids interchange genetic material by a process known as recombination. This genetic process also increases genetic variation in daughter cells.

In conclusion, the assortment of homologous chromosomes during meiosis is random and generates genetic variation.

8 0
2 years ago
The bacterium Bacillus anthracis, which causes anthrax, has been developed as a biological warfare agent.
stiv31 [10]
The correct answer to this question is letter B.its ability to form endospores in harsh conditions

The bacterium Bacillus anthracis, which causes anthrax, has been developed as a biological warfare agent. The ability that could have led to this is that its ability to form endospores in harsh conditions

Anthrax usually form endospores in non-bacteria friendly environments, meaning they could get into places that would otherwise be hygienic and infect individuals.

5 0
3 years ago
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