BIOLOGY HIGH SCHOOL

Which of the following is used in photosynthesis by both plants and cyanobacteria?a) Water, sunlight, and carbon dioxide
b) Water
c) Sunlight
d) Carbon dioxide

Answers

Answer 1
Answer:

Both plants and cyanobacteria use water, sunlight, and carbon dioxide in photosynthesis. The correct answer is "a".

Both plants and cyanobacteria utilize water, sunlight, and carbon dioxide in the process of photosynthesis.

Photosynthesis is the biochemical process by which organisms convert light energy into chemical energy in the form of glucose.

Water:

  • Both plants and cyanobacteria absorb water from their environment through their roots or cell surfaces.
  • Water molecules are split during photosynthesis, providing a source of electrons for the light-dependent reactions and releasing oxygen as a byproduct.

Sunlight:

  • Sunlight is essential for photosynthesis as it provides the energy necessary to power the process.
  • Chlorophyll, the pigment found in plants and cyanobacteria, captures light energy and initiates the series of chemical reactions involved in photosynthesis.

Carbon dioxide:

  • Plants and cyanobacteria take in carbon dioxide from the atmosphere through small openings called stomata or through their cell surfaces.
  • Carbon dioxide serves as the carbon source for the synthesis of organic molecules during photosynthesis.

Thus, the correct option is a.

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Answer 2
Answer:

Answer:

a)Water, sunlight, and carbon dioxide

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Que sistemas artificiales utiliza el hombre para recoger agua que sistemas existen de forma natural

Answers

Answer:

Haciendo almacenamiento y excavación en un área grande, mientras que los estanques son los sistemas utilizados para recolectar agua.

Explicación:

El sistema artificial que el hombre usa para recolectar agua es la construcción de un gran almacenamiento de concreto y la excavación de un gran terreno que recolecta agua de lluvia y puede ser utilizado por la gente para su uso diario, mientras que por otro lado, los estanques son el sistema natural donde el agua del la lluvia se acumula naturalmente. Esta agua es utilizada por la población que vive alrededor de ese estanque. Ambos sistemas proporcionan agua para el uso diario, como lavar, beber y cocinar, etc.

Identify the type of mutation shown in the diagram, with respect to chromosome 20.

Answers

The chromosomal mutation is C. Nondisjunction .Therefore , C. Nondisjunction is correct .

There are a number of factors that can increase the risk of nondisjunction, including:

Age: The risk of nondisjunction increases with age, especially in women.

Genetic factors: People with certain genetic conditions are at increased risk of nondisjunction.

Environmental factors: Exposure to certain environmental toxins, such as radiation, can also increase the risk of nondisjunction.

There is no cure for nondisjunction, but there are a number of things that can be done to manage the symptoms and improve the quality of life of people with nondisjunction-related birth defects.

Here are some additional details about nondisjunction:

Nondisjunction can affect any chromosome, but it is most common on chromosomes 21, 13, and 18.

Nondisjunction is estimated to be the cause of 50-60% of all miscarriages.

Nondisjunction is also the cause of some stillbirths and birth defects.

For such a more question on mutation                                                                                                                                                                         brainly.com/question/14438201

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Final answer:

Identification of mutation type, such as point mutation, silent mutation, insertion, deletion, transversion, or transition, depends on the specific changes in DNA or RNA sequences. For example, a change in a single base pair signifies a point mutation.

Explanation:

A thorough identification of the type of mutation seen on Chromosome 20 goes beyond merely looking at the question diagram. It depends on the specific alteration of the DNA or RNA sequences. Several types of mutations exist including point mutations, silent mutations, insertions, deletions, transversions and transitions, among others.

As an illustration, suppose the mutation involved a single base pair alteration, this would be a point mutation where one nucleotide is substituted with another. Transversions involve switching a purine with a pyrimidine or vice versa. If the mutation led to an addition or removal of a base pair, this would be termed an insertion or deletion respectively. Occasionally, a fraction of DNA from one chromosome may get transported to another chromosome or a different part of the same chromosome, a scenario known as translocation.

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Changes in allele frequency are always driven by natural selection.
True or False?

Answers

false sometimes it can change in other ways not just this way.

Which of the following animals develop complex social systems? A. Mollusk
B. Primate
C. Bird
D. Reptile

I need this ASAP!!! Please Help Me!!!

Answers

Obviously this is B Primates.
Answer: (B.) Primate

Answer: Primates have been known to live together, use complicated gestures, and perform social practices. Moreover, some primates are humans. Taking a look at the interactions of human beings will show you that "primate" is the correct answer.

PLEASE HELP! IM DOING A TEST!!
What do Vaccines do?

Answers

Vaccines train our immune systems to create proteins that fight disease, known as antibodies’

Answer: vaccines help to protect us from a disease by giving our immune system a sample so that when the real disease comes, your body will be ready to fight it off.

Explanation:

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a population ecologist determines the number of a oak trees per square unit in a forest. what is he trying to infer by doing so?

Answers

The population ecologist is trying to determine the density of the oak trees in a forest. It is a part of the job of a ecologist. By detecting the density of the oak trees, an ecologist can easily determine whether the density of the oak trees are decreasing or increasing with time and what are the steps that need to be taken to keep the balance.
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