BIOLOGY HIGH SCHOOL

If only a single member of a pair of chromosomes is present in a cell, it is a _____ condition and is most likely a _____ cell.

Answers

Answer 1
Answer: If only a single member of a pair of chromosomes is present in a cell, it is a haploid condition and is most likely a reproductive cell. Diploid means that there are two sets of chromosomes, and given that here we have only one of them, naturally it cannot be diplot, but rather haploid. Also, given that it is haploid, it has to be a reproductive cell, because it consits of haploid chromosomes, whereas autosome cells consist of diploid ones.
Answer 2
Answer: b haploid and reproductive

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Ammonia can be produced by what two processes

Answers

Answer:

transamination followed by deamination

Explanation:

Ammonia exists as ammonium ion (NH4+) at the physiological pH and is produced in our body mainly by the process of transamination followed by deamination, from biogenic amines, from amino groups of nitrogenous bases like purine and pyrimidine, and in the intestine by intestinal bacterial flora through the action of

If you shine a laser pointer into an ice cube, which of the following properties will cause the laser light to bend as it enters the ice cube? A. scatteringB. refraction
C. absorption
D. reflection

Answers

The correct answer is (b) Refraction

When a beam of light is passed from one medium to another medium then the beam of light bends when it passes from one medium to other, this phenomenon is called as Refraction. This change can be determined by measuring the change in the wave speed and the initial direction of wave relative to the direction of the change in speed. Example: when a beam of light is passed through a prism, when a laser light is passed through a ice cube.
B. Refraction would cause the light to bend.

____ immunity results when antibodies produced in another animal are introduced into your body.

Answers

Answer:

Passive

Explanation:

In addition to innate immunity and acquired immunity, there is a different type of immunity called passive immunity.

This arises when someone receives the antibodies from someone else for the purpose of preventing (or facing) an infectious disease.

While these antibodies last a few weeks or months, they have the benefit of providing immediate protection.

Examples of passive immunity:

- They are the maternal antibodies that babies receive through the placenta during pregnancy.

- Injection of antisera, produced in animals or other people, such as serum immuniglobulin for hepatitis and tetanus antitoxin.
this is called artificially acquired passive immunity

Which of the following is a source of genetic variation in sexually reproducing organisms?a. replication
b. dominance
c. mitosis
d. meiosis

Answers

the answer is d.meiosis

Arrange the correct sequence of the steps involved in the process of Human Digestive System? A. Digestion, Ingestion, Assimilation, Egestion and Absorption B. Ingestion, Digestion, Absorption, Assimilation and Egestion C. Egestion, Absorption, Digestion, Assimilation and Ingestion D. Assimilation, Absorption, Ingestion, Digestion and Egestion​

Answers