BIOLOGY HIGH SCHOOL

Karyotypes can be studied to determine an organism’s chromosomal makeup and to detect genetic defects. Patau syndrome occurs when an individual has an extra copy of chromosome 13, giving them three copies. Symptoms of Patau syndrome include extra digits, seizures, and cleft palate. Which word would geneticists use to describe the cause of Patau syndrome?

Answers

Answer 1
Answer:

Answer;

-Trisomy

Explanation;

-Trisomy is a chromosomal disorder characterized by an additional chromosome, so the person has 47 instead of 46. An example of trisomy is the Patau syndrome.

-Patau syndrome or trisomy 13 is a type of chromosome disorder characterized by having 3 copies of chromosome 13 in cells of the body, instead of the usual 2 copies. Trisomy 13 cases are caused by random events during the formation of eggs or sperm in healthy parents (meiosis).

Answer 2
Answer:

Answer:

D

Explanation:


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MIDDLE SCHOOL

As a cell grows, the ________________ decreases and the cell must divide or die. A) number of chromosomes B) enzyme to volume ratio Eliminate C) surface area to volume ratio D) number of functional proteins

Answers

c) surface area to volume ratio

hope it helped!

HIGH SCHOOL

Which hormone plays a central role in determining the rate of sodium reabsorption and potassium secretion? which hormone plays a central role in determining the rate of sodium reabsorption and potassium secretion? bnp aldosterone anp epinephrine adh?

Answers

The answer is Aldosterone. It plays a central role in the homeostatic regulation of blood pressure, plasma sodium (Na+), and potassium (K+) levels. It does so mainly by acting on the mineralocorticoid receptors in the distal tubules and collecting ducts of the nephron hence relating the rate at which the ions are reabsorbed.






Aldosterone is the answer
HIGH SCHOOL

The nurse is teaching hygiene practices to a 16-year-old client who has recently had her first menstrual flow. under which phase of development does the nurse classify the client?

Answers

The patient will be classified under the MIDDLE ADOLESCENCE phase of development. Adolescent refers to the period of human growth which is intermediate between childhood and adulthood.The adolescent stage is divided into three stages, which are early, middle and late adolescence. Middle adolescence stage occurs at age 15 to 17.
HIGH SCHOOL

Which of the following pairs interacts with one another in a competitive manner? A. a bird and the snake that preys on the bird’s eggs. B. a bird and the mite that lives on the bird’s body. C. two birds of the same or different species living in different areas. D. two birds of the same or different species living in the same area

Answers

The answer is D. two birds of the same or different species living in the same area

Competition is an interaction between members of the same species or between different species living in the same area. If resources, such as food, water, sunlight, territory,  are limited and several species depend on these resources, then, they must compete with the same or other species to gain the resources. 

D. Two birds of the same or different species living in the same area.

MIDDLE SCHOOL

Which information can sciensists obtain from these fossils ? Check all that apply

Answers

The scientist can use erosion
COLLEGE

All of the following are terms that ecologists use to describe communities except for A) species richness. B) species diversity. C) Batesian diversity. D) trophic structure. E) stability.

Answers

Answer:

Batesian diversity - C)

COLLEGE

What intracellular organelle has a function in the detoxification of toxins and poisons?

Answers

Peroxiosome helps in the detoxification of toxins and poisons.

Peroxiosome is a membrane bound organelle which is present in large amount in the Liver cells which are also called as hepatocytes. Peroxiosome is named so  because it produces hydrogen peroxide during the process of detoxification.

Hydrogen peroxide being harmful gets converted into oxygen and water with the help of enzyme Catalase. This causes detoxification of the substance ingested.

Answer is Smooth Endoplasmic Reticulum (SER).

Smooth endoplasmic reticulum (SER) is a type of endoplasmic reticulum which does not have any ribosomes on its cytoplasmic surface. Whereas, Rough endoplasmic reticulum (RER) have ribosomes on their surface. Main function of smooth endoplasmic reticulum is detoxification of medications and poisons. It removes all the toxic materials such as (metabolic wastes or drugs from the cell. Besides SER synthesises carbohydrates, lipids, and steroid hormones.


HIGH SCHOOL

Which of the following does not describe the testes? A. produce semen
B. are suspended in the scrotum
C. produce male hormones
D. produce sperm

Answers

C. Produce male hormones
MIDDLE SCHOOL

6. Adaptations that result from natural selection are expected to increase the fitness of an organism. In terms of natural selection, which of the following best describes fitness?
a. Being able to escape from predators
b. Being among the strongest organisms in a population
c. Being able to survive, find a mate, and produce offspring
d. Being able to survive long enough to reach the adult stage

Answers

Adaptation is the process by which a species adapts to its surrounding environment during evolution. Being able to survive, find a mate, and produce offspring, best describe the fitness of the organism.

Natural Selection:

It is the process by which the most appropriate organism survives and increases its population.

  • In a population, organisms vary in some traits, these traits may increase the chances of survival of individual over others.
  • The variation can also decrease the chances of survival.
  • For example, A red color butterfly is more susceptible to being eaten by predators while for a green color butterfly, there are more chances of survival.

Therefore, Being able to survive, find a mate, and produce offspring, best describe the fitness of the organism.

To know more about Natural selection, refer to the link:

brainly.com/question/9830102

Answer:

C: Being able to survive, find a mate, and produce offspring

Explanation:

The population is an important factor to the increased fitness of the organism, being able to reproduce would lead to the population of that organism to be more healthy.

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