BIOLOGY HIGH SCHOOL

What are the definition of DNA and RNA

Answers

Answer 1
Answer: Simple,

DNA: Deoxyribonucleic Acid

RNA: Ribonucleic Acid
Answer 2
Answer:

DNA has two strands

RNA has one

Related Questions

o be an effective solvent in living systems, a substance must be able to meet all BUT ONE of the following requirements, namely A) remains liquid over a wide temperature range. B) does not readily combine with lipid molecules. C) able to dissolve a great variety of chemical compounds. D) provide a safety against extremes in temperature by having a high heat capacity.
What is the role of DNA in transmitting genetic information? Describe DNA’s important genetic role in a few sentences below.
Which of the following describes the changes that occur during the 3rd week of the menstruation cycle?A. The egg matures within the ovary. B. The egg travels through the fallopian tube to the uterus. C. The unfertilized egg is removed from the uterus. D. Egg travels from the ovary into the fallopian tube.
Give three functions of the cell surface membrane. (plasma membrane)
Among a species of butterflies, the color blue (B) is a dominant trait. Yellow color (b) is a recessive trait. If a pure blue butterfly (BB) mates with a pure yellow (bb), what traits will the offsprings would have? A). They will all be blue. B). They will all be yellow. C). Half will be blue and half will be yellow. D). About 75% will be blue and 25% will be yellow.

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.

Genetic variation can aid in the survival of species when the environment changes. Which of the following is the best example of an organism with a genetic variation that could improve survival chances over time? A)
An ant that is resistant to pesticide .


B)
A cactus that has no spines.



C)
A mouse that has learned to avoid mousetraps.

Answers

An example of an organism with a genetic variation that could improve survival chances over time would be an ant that is resistant to pesticides (Option A)

What is genetic variation?

Genetic variation refers to differences in the genetic material (DNA) among individuals within a species. This can arise due to several mechanisms, including mutation, recombination, and genetic drift. Genetic variation provides the basis for evolution by natural selection, as it allows for populations to adapt to changing environments and helps to ensure the survival of the species over time.

Genetic variation can also play a role in disease resistance, as some individuals may carry genetic variations that protect them from certain diseases. Additionally, genetic variation can impact physical and behavioral traits, such as eye color, height, and intelligence.

Learn more about genetic variation, here:

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Nope. A is a correct answer. A mouse simply learns how to avoid a trap, there is no genetic change responsible for that

How does anatomy provide evidence for evolution?

Answers

Evidence for evolution is provided by homologous structures. These are structures shared by related organisms that were inherited from a common ancestor. Other evidence for evolution is provided by analogous structures. These are structures that unrelated organisms share because they evolved to do the same job.

The largest part of the brain is thea. cerebrum.
c. thalamus.
b. cerebellum.
d. hypothalamus.

Answers


The correct answer is a - cerebrum

The cerebrum, also called cortex is the largest part of the brain. It is divided into four sections, called lobes and these are the frontal lobe, the parietal lobe, occipital lobe and temporal lobe.

Front lobe helps in speech, reasoning, planning, movement , emotions and problem solving.

parietal lobe helps in orientation, and perception of stimuli and movement.

Occipital lobe  helps in visual processing.

Temporal lobe helps in memory, speech as well as perception and recognition of auditory stimuli.

Which of these is NOT a job of the root of the plant? to hold the plant in place to make food to take in water and minerals from the soil

Answers

Explanation:

They are All Jobs of the root

Identify the dependent variable on the Growth of Tortoise Shell graph

Answers

A variable is object that might be a trait, substance, factor or any which an experimenter manipulates or is the result of the change caused by the manipulation. There usually three kinds of variables in research, independent, dependent and the control. 

The dependent variable cannot be determined in the given because there is no prior description but based on the title we can assume that it was the height of the subject being studied since "growth".
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Write a short note on the activities that cause Air pollution.?
What are the four classes of clouds based on altitude?