3. (3 points) Label each example as either (PI) passive or (AI) active immunity:a. ____ Bill had chicken pox when he was five. He doesn’t catch it again, even when his nephew gets sick with the virus
b. _ Billy Jr gets vaccinated with a live attenuated form of the chicken pox virus. He doesn’t get chicken pox after playing with his infected cousin.
c. _____ Bill’s 3 month old daughter is breast feeding. She does not get chicken pox after playing with her infected cousin.

Answers

Answer 1

Answer: Did you ever figure it out?

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What are capillaries

Answers

Capillaries are the smallest of all your blood vessels, only visible under a microscope. They link the arterioles to the venules. Capillaries were discovered by Marcello Malphigi in 1661. There are 10 billion capillaries in your body.

Basically like a "branch" of blood vessels connecting from the arterioles to the venules.

What information can be determined by observing dark lines within the spectrum of a given star? the elements present in the star's atmosphere the elements present in the star's inner core whether planets orbit the star the approximate size of the star

Answers

The information that can be determined by observing dark lines within the spectrum of a given star includes "the approximate size of the star" since the other options are unknown.

Answer:

the elements present in the star's atmosphere

Explanation:

The spectrum showing dark lines is an absorption spectrum. The dark lines actually indicated the energy absorbed by the elements present in the atmosphere of the star.

The elements absorb particular wavelengths and reach higher energy state. The absorbed wavelengths appear as dark lines in the spectrum.

Humans and chimpanzees have very similar DNA. what does this say about these two species?

Answers

We are from the same gene species?

In order to stimulate an effector in a toe, which pathway does a nerve impulse follow after it is initiated at a receptor?A. sensory neuron -> interneuron -> motor neuron
B. motor neuron -> interneuron -> sensory neuron
C. interneuron -> sensory neuron -> motor neuron
D. None of these

Answers

Answer:sensory nuerone to internuerone to motor neurones

Explanation:

The sensory nuerone usually receive inputs from the receptors cells in the skin,organs,and other parts of the body.

These receptors send signals as action potential to the spinal cord to the brain.(CNS).

Synapse take place at the synaptic junctions, in the spinal cord with the internuerone.

The latter transmit the action potential to the motor neuron which synapse with the internuerone and transmita signal to the neuromuscular junction where it synapse with the muscels at the toe.

The action potentials causes influx of calcium ions and the relase of acetylcholine neurotransmitters for action potential to reach the toe muscles (effector)for contraction

Is it possible for a whale in captivity to live after it has been realsed

Answers

The possibility of release is only possible if the whale has only been in captivity for a short time. An example of this is Springer, the killer whale that was treated for emaciation and nursed back to health before being rehabitated and ruined to their pod. For orcas like the whales at Seaworld (which has just been banned from further breeding! Yay!), these whales are unable to be released as they have been in captivity their whole life. All animals, including marine mammals, can be imprinted by human interaction. Captive whales are accustomed to being fed by humans and do not know how to fend for themselves in the wild. If they were released into the wild, these tame whales may attack boats and humans, thinking they will feed them and inevitably starve to death because they are unable to hunt. Whales live in pods otherwise known as their whole life. They hunt and feed with them. If a captive whale were to be released, it would be unable to hunt as they wouldn't have a pod that would assist them.

A woman who has blood type A positive has a daughter who is type O positive and a son who is type B negative. Rh positive is a trait that shows simple dominance over Rh negative and is designated by the alleles R and r, respectively. A third gene for the MN blood group has codominant alleles M and N. Which of the following is a possible phenotype for the father?
A) A negative
B) O negative
C) B positive
D) AB negative
E) impossible to determine

Answers

The answer is C) B positive.

A mother has either AA or AO genotype. Since her daughter has OO genotype, the one O allele is from a father and one is from the mother. Thus, mother must have allele O. So mother's genotype is AO.

A mother with AO genotype will pass to her son either A or O allele. Since son is type B negative, it could inherit from mother only O allele. Son's genotype is BO. This means that he inherited from the father B allele.

Father has either BO or BB genotype. Since his daughter has OO genotype, she must inherit one O allele from the father. Thus, the father has BO genotype.

Talking of Rh, her son is type B negative. A negative Rh phenotype contains both recessive alleles r, so the mother must have allele r (she is either Rh+ heterozygous, or Rh- homozygous). The same is with father - he is either Rh+ heterozygous, or Rh- homozygous.

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Identify the type of chemical reaction. H2CO3 H2O + CO2 decomposition exchange reversible synthesis

Which promotes the idea of sustainable resources among a population?A. Promoting the use of other land for growing more food B. Encouraging a decrease in overconsumption C. Building a much stronger economy D. Using technologies that can harvest resources faster