BIOLOGY HIGH SCHOOL

Chemical and gaseous exchange takes place __________.

Answers

Answer 1
Answer:

Chemical and gaseous exchange takes place only across capillary walls


Sorry for the late answer but I hope that's still help !

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One parent has curly hair, the other has straight hair, and their child has wavy hair. This is an example ofA. incomplete dominance.
B. polygenic inheritance.
C. codominance.
D. multiple allele traits.

Answers

Answer: The correct answer is- A) Incomplete dominance.

Incomplete dominance means neither of the allele ( that is dominant and recessive allele) shows its phenotype complelety. In other words, no allele is completely dominant and a heterozygous condition produces an intermediate phenotype that lies between a dominant and a recessive trait.

As per the question, the phenotype of parents are - curly hair and straight hair.

As child expresses and intermediate phenotype that is wavy hair, therefore it is an example of incomplete dominance.      

Incomplete dominance

In asexual reproduction, ________.a. the offspring are genetically unique
b. the offspring are made up of portions of each of the parent's dna
c. the offspring are genetically related but also genetically distinct
d. the offspring have identical dna

Answers

In asexual reproduction, d. the offspring have identical DNA.

Asexual reproduction involves the process of mitosis for cell division. In the process of mitosis, the DNA duplicates and separates into two different cells. The duplicated DNA is genetically identical to the DNA of the mother or parent cell. This type of reproduction is faster than the reproductive method.

Final answer:

Asexual reproduction involves one parent and results in offspring that are essentially clones of the parent, meaning they have identical DNA. It involves methods like binary fission, budding, and vegetative reproduction.

Explanation:

In asexual reproduction, the most fitting answer from your listed options would be: that the offspring have identical DNA. This type of reproduction involves one parent and the offspring produced are, for all intents and purposes, clones of the parent because they have identical genetic information. Asexual reproduction methods can include processes such as binary fission, budding, and vegetative reproduction.

Learn more about Asexual Reproduction

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A single atom of gold can be

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neither a molecule or a compound xD
a molecule is usually reserved to represent the smallest particle of a compound.    

The ?? reaction to photosynthesis puts carbon dioxide into the form of carbohydrates. Light or dark?

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The question says,'the ........ reaction of photosynthesis puts carbon dioxide into the form of carboydrates. The correct option is dark reaction. During the dark reaction of photosynthesis, the ATP and the NADPH that were formed during the light reaction are used to drive the synthesis of carbondioxide from carbon molecules, thus reducing them to ADP and NADP.

1. what makes up sides of the ladder of a DNA molecule?2. how is a RNA different from a DNA?
3. what role does RNA play in cell life
4.what are the three kinds of RNA and what does each do?
5. what can cause mutation?

Answers

1. Double Helix
2. RNA Messages the cells what to do and the dna are the instructions
3. Gives cells the information to multiply and do specific things in they body
5. Radiation
4. messenger RNA (mRNA) carries the codes of DNA from the nucleus to the cytoplasm into the ribosome, transfer RNA (tRNA) carries an amino acid to the codon, ribosomal RNA (rRNA) bind tRNA's to make the protein

Birds migrate from their original habitat to new habitats to search for food and better climate. How is bird migration a kind of gene flow?

Answers

Gene Flow is an exchange of genes between two different populations. If birds migrate from their original habitat into another habitat that is inhabited by another population, they might breed and exchange genes. 

For example, a population of short birds migrates into the habitat of a population of tall birds. This might result in the hatching of medium height birds. 

Answer: During migration, birds may carry seeds or pollen from fruits and flowers in their other habitat. They deposit these seeds and pollen grains in their new habitat. If the seeds take to the new conditions, the new kinds of plants expand the area's gene pool.

Explanation:
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