BIOLOGY HIGH SCHOOL

What is brachycardia?a. Abnormally rapid heartbeat
b. A blood vessel conveying blood to the arm
c. Pain referred to the arm during a heart attack
d. Abnormally slow heartbeat

Answers

Answer 1
Answer: The answer is D. Brachycardia is the abnormally slow heartbeat

Related Questions

Bottleneck events lead to
Which type of nuclear power reactor is used in only 1 percent of all power plants? Pressurized water reactor Boiling water reactors Breeder reactors Reproduction reactors
What do all the living things in an ecosystem make up?
Which is the term applied to the repeating stages that a cell experiences, including cell division?. . A.. Mitosis. . B.. Meiosis. . C.. S phase. . D.. Cell cycle.
A female loggerhead turtle was fitted with a tracking device. The data showed the turtle spending all of May, June, July and August offshore of Melbourne Beach, Florida. What would be the most logical explanation for this? she was lost she was waiting for the temperatures to cool off she was mating and laying eggs she was eating a lot of algae

Which one of the following statements is accurate? A. Agriculture has been challenged by the use of selective breeding.
B. Gymnosperms provide humans with the most food.
C. The green revolution was instrumental in the increase of the world's food supply.
D. Wheat, corn, soybeans, and cabbage are the main four plants responsible for providing food to people in the world

Answers

C.) The green revolution instrumental in the increase of the worlds food supply.

i think the answer is C: The green revolution was instrumental in the increase of the world's food supply.

This illustration drawn by a scientist is based on observations of a cell under a microscope. Which statement best describes the telophase of mitosis? a. In this stage, the nuclear membranes form around the chromosomes, forming two new nuclei.
b. In this stage, the sister chromatids pull apart and migrate toward opposite ends of the cell.
c. In this stage, the pairs of sister chromatids attach to the spindle fiber.
d. In this stage, the membrane breaks down, freeing the chromosomes.

Answers

A.In this stage, the nuclear membranes form around the chromosomes, forming two new nuclei 
Hope I helped ;)

The study of plants
A. Anatomy
B. Botany
C. Physiology
D. Psychology

Answers

Answer:

The correct answer is option B, that is, Botany.

Explanation:

The scientific study of plant life is termed as botany. It is a branch of biology that is also known as the plant sciences, plant biology, or phytology. Botany encompasses a huge array of scientific disciplines, which study algae, plants, and fungi comprising growth, composition, development, metabolism, diseases, reproduction, chemical characteristics, and evolutionary associations between the various groups.  

The study of plants had started with tribal lore that was used to determine medicinal, edible, and poisonous plants, making botany as one of the oldest sciences.  
the study of plants is called botany.

(50 POINTS + BRAINLIEST!!!)What did the Miller-Urey experiment demonstrate?Earth's early atmosphere contained abundant oxygen.

Early Earth was constantly bombarded with comets.

Small organic molecules formed from gas mixture of Earth's early atmosphere.

Organisms were spontaneously generated on early Earth.

Answers

Answer: Option C  

Explanation:

Miller and Urey performed an experiment, using some inorganic molecules such as water, methane, carbon dioxide and hydrogen in laboratories conditions similar to early earth conditions .

Amino acids molecules formed as the result of this experiment, this proved that small organic molecules such as amino acids are formed from inorganic molecules.

Hence, the correct answer is option C  

Answer: c

Explanation:

cats generally have gray fur which is caused by a dominant gene. the recessive condition results in orange fur. two heterozygous cats are crossed. what proportion of the offspring will have orange fur if this type of inheritance follows simple mendelian inheritance?

Answers

The answer is 25%.

This is an example of Mendelian monohybrid cross.
If:
A - (dominant) allele for gray fur
a - (recessive) allele for orange fur

Then:
AA - dominant homozygous
Aa - heterozygous
aa - recessive homozygous

The cross between two heterozygous will be:

Parents:            Aa        x        Aa
Offspring:     AA      Aa      Aa       aa

Thus, the offspring will be: 1 out of 4 (25%) dominant homozygous (AA), 2 out of 4 (50%) heterozygous (Aa), and 1 out of 4 (25%) recessive homozygous (aa).
Since the recessive condition results in orange fur, only recessive homozygous (aa) will have orange fur, which is 25% of all the offspring.
If the dominant gene in cats is the one which gives them gray fur and the recessive condition is responsible for orange fur, then two heterozygous cats which would be crossed would have offspring: 

Ff (cat 1) Ff (cat 2)

FF Ff Ff ff

75% of the offspring would have gray fur (big F) and only 25% of the offspring would have orange fur (two small ffs)

Match each feature you created by erosion to the correct description. (Edugenity)

Answers

Answer:TRIBUTARY-one of many channels that connect to form a river

RILL-a small groove in soil created by runnoff STREAM-a series of connected channels that fills with water GULLY-a channel of created by runoff

Explanation:

I got it correct
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Recall Pasteur's experiment on spontaneous generation. If he had just warmed the nutrient-rich broth, rather than boiled it, what would have been the likely outcome of his experiment? Cells would ________.a. have appeared in the swan-neck but not the straight-neck flaskb. not have appeared in either flaskc. have appeared in both flasksd. have appeared in the straight-neck but not the swan-neck flask
Rachel Carson can be credited for _______a. the modern environmental movement, slowing the extinction rate of hibernating mammals, and writing laws to protect the environment b. bringing attention to the unchecked use of pesticides, pesticides’ harmful effects on the environment, and writing laws to protect the environment c. bringing attention to pesticides’ harmful effects on the environment, the modern environmental movement, and slowing the extinction rate of hibernating mammals d. bringing attention to the unchecked use of pesticides, brining attention to pesticides’ harmful effects on the environment, and the modern environmental movement
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