BIOLOGY HIGH SCHOOL

A chart shows how members of a certain family are related to each other, and it shows which members of the family express a certain trait or set of traits. a. pedigree
b. genotype

Answers

Answer 1
Answer: answer is b. genotype

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When a person's teeth are being x rayed, other body parts of this person are covered with a protective lead blanket to prevent?
Spawning is when aa. large group of adults release their gametes into the water at the same time. b. male and female fish release their gametes together. c. male fertilizes the females eggs. d. a group of eggs develops into larvae.
A meter is an SI unit. Which quantity might you measure in meters?
Which part of the photosynthetic process requires ATP,NADPH, and carbon dioxide to produce glucose
The founding fathers of the united states believed in all of the following except. A) Separation of powers B) religious toleration C) military buildup

An annual plant bears fruit or flowers every year.
a. True
b. False

Answers

This is false.

These are called perennial plants. Annual plants go through their entire life process within a single year and stop existing, meaning they can't produce fruit every year.

What are two different habitats in a prairie ecosystem and name one organism found in each habitat.

Answers

Tall grass prairie ecosystem; bison Short grass prairie ecosystem; striped skunk

Which group of algae is responsible for formation of kelp beds along the North American coasts? Brown algae Green algae Red algae

Answers

The group of algae that is responsible for formation of kelp beds along the North American coasts is brown algae.
The correct answer is Brown algae. Brown algae is a group of algae is responsible for the formation of kelp beds along the North American coasts. This kind of algae is a large group that can be found in marine habitats, including seaweeds.

Which term best describes the makeup of a biome?A large region of interconnected populations.


A large region of interconnected ecosystems.


A large region of interconnected communities.


A large region of interconnected biospheres.

Answers

Answer: A large region of interconnected ecosystems.

Explanation:

Biome is an ecological community that is located in a geographic area which exhibit the habitat for a specific species. A biome can be composed of many ecosystems. For example, aquatic biome may contain distinct ecosystems such as kelp forests and coral reefs.

On the basis of the above description, A large region of interconnected ecosystems.

B the 2nd answer, A large region of interconnected ecosystems.

Explain why DNA has an overall negative charge.

Answers

 DNA has an overall negative charge because DNA backbones are made of deoxyribose and pentose sugar which are connected in phosphodiester bond. The groups of phosphate usually have a negative charge that makes positively charged particles (histone proteins) to interact and form chromatin.

Baker's yeast is a single-celled ascomycete that is used in bread making. Why does yeast make bread dough rise?

Answers

Answer:

Air cells of dough are filled with CO2.

Explanation:

Flour, water and yeast are important parts of bread dough. When we mix these the yeast enzyme will breakdown the satarch into simple sugars and metabolize the sugars to produce CO2 and ethyl alcohol into the existing air bubbles in dough.

Fermentation helps in producing the strong and elastin gluten to held the CO2 within the bubbles and inflate it. The more the air cell filled the more will be the bread dough rise.

Answer:

Presence of CO2 in the dough.

Explanation:

Yeast cells thrive on simple sugars. As the sugars are metabolized, carbon dioxide and alcohol.

chemical process known as fermentation.

Equation of Fermentation reaction:

C6H12O6(s) --> 2C2H5OH(aq) + 2CO2(g)

Tiny air cells fill with carbon dioxide are released into the bread dough, making it rise.
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Most respiration occurs in organelles called _____ .mitochondriaGolgi bodiesribosomes
What is osmosis? What is diffusion?
Which of the following is not true about sedimentary rocks? a. They are formed through compaction and cementation. c. They are formed from igneous rock fragments. b. They are made up of sediments. d. They are not part of the rock cycle.
Why did Mendel continue some of his experiments to the F₂ or F₃ generation? A) to obtain a larger number of offspring on which to base statistics B) to observe whether or not a recessive trait would reappear C) to observe whether or not the dominant trait would reappear D) to distinguish which alleles were segregating E) to be able to describe the frequency of recombination