BIOLOGY HIGH SCHOOL

All algae except for diatoms can conduct photosynthesis.
a. True
b. False

Answers

Answer 1
Answer: The answer is false.Diatoms are a major group of algae. They are mainly photosynthetic. However, there are few that are obligate heterotrophs while there are others that can live heterotrophically in the absence of light, an appropriate organic carbon source is available.

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Choose all the answers that apply. Erosion creates _____. sand dunes beaches deltas mountains

Answers

The correct answers are sand dunes, beaches deltas.

The process of erosion creates sand dunes by the erosion of sand by the help of wind. The sand erosion or soil erosion can lead to the formation of the beaches or deltas. The erosion process cannot result in the formation of the mountains.

Mountains are as a result of volcanic eruption and is formed after the volcanic activity.
Erosion creates sand dunes, beaches, and deltas. The process of erosion either by chemical or physical means causes the formation of many types of land forms like the one mentioned a while ago. Without erosion the life cycle of Earth will not be a continuous one and many organisms will not survive.

A. DNA transcription is producing messenger RNA.B. DNA transcription is producing ribosomal RNA.

C. DNA translation is producing messenger RNA.

D. DNA translation is producing ribosomal RNA.

Answers

DNA transcription is making is producing messenger RNA. Therefore, option "A" is correct. The procedure by which a cell copies a piece of DNA into RNA. The genetic information a cell needs to make proteins is carried by this copy of RNA, which is called messenger RNA (mRNA).

It moves information from the DNA in the cell's nucleus to the cytoplasm, where proteins are made, via this pathway. DNA transcription can be broken down into three main stages: initiation, elongation, and termination. These means are likewise engaged with DNA replication.

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A; DNA transcription is creating RNA; translation is making proteins. Also, DNA transcription is known to make mRNA

The phase of cell division in which chromosomes align on the spindle equator halfway between the spindle poles is A. prophase.
B. telophase.
C. anaphase.
D. metaphase.

Answers

Metaphase, I remember this because "meta" sounds like middle.

How many chromosomes are in a haploid cell?

Answers

First you must know that a diploid cell has double the amount of chromosomes of a haploid cell. A diploid cell has 46 chromosomes. When we divide 46 by 2 you get 23. This means that there are 23 chromosomes in a haploid cell.

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Answer:

Haploid describes a cell that contains a single set of chromosomes. The term haploid can also refer to the number of chromosomes in egg or sperm cells, which are also called gametes. In humans, gametes are haploid cells that contain 23 chromosomes, each of which a one of a chromosome pair that exists in diplod cells.

Explanation:

Which of the following calculations require that you utilize the addition rule? A) Calculate the probability of black offspring from the cross AaBb × AaBb, when B is the symbol for black.
B) Calculate the probability of children with both cystic fibrosis and polydactyly when parents are each heterozygous for both genes.
C) Calculate the probability of each of four children having cystic fibrosis if the parents are both heterozygous.
D) Calculate the probability of a child having either sickle-cell anemia or cystic fibrosis if parents are each heterozygous for both.
E) Calculate the probability of purple flower color in a plot of 50 plants seeded from a self-fertilizing heterozygous parent plant.

Answers

The answer is D) Calculate the probability of a child having either sickle-cell anemia or cystic fibrosis if parents are each heterozygous for both. 

The addition rule is used to calculate the probability of one of the events from multiple pathways. If you want that only one of the events happens, you will use the addition rule. In a case when you want to calculate the possibility of a child having EITHER sickle-cell anemia OR cystic fibrosis, you will use THE ADDITION RULE.
For example, in statement B) you will not use this rule because there is no either/or, but both/and. In case, B) you would use the multiplication rule.

How do large bodies of water influence climate?

Answers

Due to their characteristics, large bodies of water have a great influence on climate. By absorbing and releasing heat, they regulate temperature, resulting in milder conditions closer to the coast.

Through wind and ocean currents, heat is redistributed, causing warming or cooling of nearby regions. Bodies of water evaporating into the atmosphere add moisture to the air, leading to cloud formation and increased precipitation.

Due to oceanic influence, the coastal places get frequent weather with low temperature extremes. Large stores of water can also influence global phenomena such as the El Niño–Southern Oscillation, which affects global weather patterns. The exact effects vary according to factors such as proximity, size, ocean currents, prevailing winds, and regional geography. Large-scale water bodies are fundamental in determining regional and global climate trends.

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large bodies of water affect climate because water heats and cools more slowly than land therefore in the summer the coastal regions will stay cooler and winter warmer. A moderate climate with a smaller temp range is created
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