In a population of humans, the frequency of straight hair is 34 percent. If straight hair is the recessive phenotype, what is the frequency of the homozygous recessive genotype?

Answers

Answer 1
Answer: 76% because that is the percent for the gene of not straight hair

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A fertile hypha that bears spores is called a?

Answers

a fertile hypha that bears spores is called a sporangiophore. basically, it's a  vertically shaped hypha that hold a chamber filled with the spores, and once it's ready it lets the spores out :)

Don't choose the other answer unless you want to be wrong!

The correct answer is:

conidiophore

This is what the lesson says:

Reproduction among the fungi can occur both asexually and sexually. Asexually, fungi can reproduce by fission, fragmentation, budding, and producing spores. Spores are common reproductive structures among fungi. These spores can be carried by the wind, giving the stationary fungus the ability to spread its offspring over great distances. Molds reproduce by spores. A fertile hypha that bears spores is a conidiophore.

How did the CCC help Watson improve his life?

Answers

There were millions of people helped by the CCC. The CCC is also known as Civilian Conservation Corps. Stanley Watson's life was improved because he got a job and enrolled in college. He finished college with a good degree and got a great job. 

There were millions of people helped by the CCC. The CCC is also known as Civilian Conservation Corps. Stanley Watson's life was improved because he got a job and enrolled in college. He finished college with a good degree and got a great job. 


Based on the endosymbiotic theory, what cell would result from the endosymbiosis of a cell with a cyanobacterium

Answers

The answer is B. The prokaryotic cell can make its own food.

B. Because, Bacteria is a prokaryote on its own.

Which homeostatic process requires energy to move particles across the plasma membrane?1.active transport
2.passive transport
3.dynamic equilibrium
4.osmosis

Answers

The right answer is 1. active transport.


Active transport refers to the passage of an ion or molecule across a membrane against its concentration gradient.

If the process uses chemical energy produced, for example, by the hydrolysis of a nucleotide triphosphate such as adenosine triphosphate, it is called primary active transport.

Active transport is opposed to passive transport, which does not use energy.

Active transport is the homeostatic process that requires energy to move particles across the plasma membrane.

Further Explanation

Transport in living organisms

  • Plants and animals use various processes to transport materials from one point to another.
  • There are classified as either passive transport or active transport.

Active transport  

  • It is a type of transport in living organisms that involves movement of substances against a concentration gradient through the plasma membrane.
  • It  involves use of energy in form of ATP to aid transport of substances.

Passive transport

  • It is a type of transport that does not involve the use of energy to aid movement of substances in living organisms.
  • Passive transport involves free movement of substances and through special types of transporters or carriers.
  • Types of passive transport includes; simple diffusion, facilitated diffusion, osmosis, and mass flow among others.

Types of passive transport

Facilitated diffusion

  • Facilitated diffusion is a type of passive transport which involves the diffusion of solutes by use of transport proteins in the plasma membrane.
  • Facilitated diffusion uses transport proteins to transport solutes down their concentration gradient.

Osmosis  

  • Osmosis is a special diffusion that involves the movement of water molecules from a region where they are highly concentrated to a region where they are lowly concentrated through a semipermeable membrane.
  • It may also refer to the movement of water molecules from a region of low particle concentration to a region of a high particle concentration.

Diffusion  

  • Diffusion is a type of passive transport that involves movement of particles from a region of high concentration to a region of low concentration.
  • Diffusion involves movement of molecules of substances other than water.

Keywords: Active transport, Passive transport, Diffusion, Osmosis,

Learn more about:  

Level: High school  

Subject: Biology

Topic: Transport in living organisms

Sub-topic: Passive transport

What is stored in carbon bonds

Answers

The correct answer is chemical covalent energy. This energy is stored and when the bonds break the energy is released. You also need energy to break them. The most common form is a single bond but there are examples where there are double and triple bonds when building various compounds.

In chemistry, carbon bonds are covalent bonds formed between carbon atoms in organic compounds. These bonds store and transfer energy in biological molecules and are important for the structure and stability of organic compounds.

In chemistry, carbon bonds refer to the covalent bonds formed between carbon atoms in various organic compounds. Carbon has the unique ability to form stable covalent bonds with other elements, including other carbon atoms.

These bonds are responsible for storing and transferring energy in many biological molecules such as carbohydrates, lipids, and proteins. For example, the carbon bonds in glucose molecules store the energy that is released during cellular respiration and used by cells to perform various functions.

Additionally, carbon bonds play a crucial role in the structure and stability of many organic compounds. The arrangement and number of carbon bonds determine the properties and reactivity of a molecule, making carbon the basis for the vast diversity of organic chemistry.

Learn more about Carbon bonds here:

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What organism is closely related to the cougar?

Answers

the Lynx/Mountain Lion. They both belong to the 'Felix' genus as do all cats of the feline family.