BIOLOGY HIGH SCHOOL

Essential fatty acids cannot be synthesized by the human body and therefore must be obtained in the diet. select one:a. true.
b. false.

Answers

Answer 1
Answer: Your answer is A true. 

Related Questions

A researcher discovers two populations of birds that are similar. The two populations live in habitats that are different. What evidence might suggest to the researcher that the birds belong to different species rather than the same species?
The ____ protein is embedded in the membrane of Agrobacterium and senses the presence of acetosyringone from the wounded plant cell. (In your answer include the full name of the protein: for example ChvX or VirX, instead of the X protein.)
Imagine that you are studying the control of β-globin gene expression in immature red blood cells (mature red blood cells contain β-globin protein but lack a nucleus and therefore the β-globin gene). If you deleted a sequence of DNA outside the protein-coding region of the β-globin gene and found that this increased the rate of transcription, the deleted sequence likely functions as a(n) _____. a. enhancer b. promoter-proximal c. element promoter d. silencer e. any of the above
The separation of soil into distinct layers is _______. A. horizonation B. soil reaction C. soil structure D. soil color
Imagine you are in a laboratory. You are exploring the following reaction: A + B → C When the product C is created, bubbles form. When 10mL of A is added to 10mL of B, the reaction takes twenty seconds. Your teacher gives you three unknown substances (X, Y, and Z), one of which is a catalyst for the reaction. Design an experiment to test substances X, Y, and Z to determine which one is a catalyst for the reaction.

The chemical breakdown of food is called _______.a. sensory digestions
b. chemical digestion
c. peripheral digestion
d. mechanical digestion

Answers

Chemical digestion is the chemical breakdown of food 


Good luck and hopefully this helped.

What happened to the number of aquatic species as a result of the restoration activities in sudbury?

Answers

The best answer to this biology and ecology question is that the number of aquatic species would increase as a result of the restoration activities in Sudbury. Restoration activities helps in cultivating and protecting marine animals, resulting to the increase in number.

Plants with an internal tubal system that transports water and nutrients to different plant parts are _____. vascular nonvascular

Answers

Plants with an internal tubal system that transports water and nutrients to different plant parts are vascular.

>Vascular plants are types of plant having a vascular system.
>Vascular system means it is composed of a xylem and phloem
>non vascular plants are types of plants with no vascular system.

It's vascular, I know because I took it on Oddysey and it was the correct

What is osmosis? What is diffusion?

Answers

Osmosis- is the movement of water or other solvent through a plasma membrane from a region of low solute concentration to a region of high solute concentration.
*Osmosis is passive transport, meaning it does not require energy to be applied

Diffusion- is the intermingling of substances by the natural movement of their particles.

What properties of iron bearing minerals on the seafloor support the theory of seafloor spreading?

Answers

It would be the start up of iron. Causing it to be a reactant and spread it across.

Sponges move huge volumes of water through their bodies every day. Although this serves the function of filter feeding for the organism, how might this also provide an “ecosystem” service (something that affects and/or benefits other organisms in their environment)? "which one below is the right answer and why?" a/ They can filter small poisonous fish out of the water that may harm other organisms. b/ Their body chambers serve as places where smaller organisms can live and be protected from certain predators. c/ They produce large numbers of gametes that will become food for other sponges. d/ They create small currents in their microenvironment that help to circulate and clean water locally for other organisms.

Answers

 d/ They create small currents in their microenvironment that help to circulate and clean water locally for other organisms.

Contractile vacuoles are organelles that are responsible for excretion function. They perform osmoregulation which manages wastes, water and other needed materials in the cell. They are found in some prokaryoric organisms like the algae, protists, amoeba and other unicellular organisms. 
Other Questions
Lichens, represented by this symbiotic relationship, are responsible for _____________ or the establishment of a new site for plant growth.A)primary succession B)secondary succession C)trophic metamorphosis D)ecological infiltration
Maple syrup, which comes from the sap of maple trees, is a mixture of water and natural sugars. It's a clear, brown liquid. It's homogeneous, and the sugars cannot be separated by filtration or centrifuge. What type of mixture is it?
When comparing dogs to wolves, scientists found evidence that supports the idea they come from a common ancestor. Which evidence was most important in understanding this?A comparable anatomies, fossils, and behavior B different anatomies, similar development, and different DNA C comparable anatomies, similar development, and similar DNA D different anatomies, fossils, and behavior
Which "spheres" are involved when sedimentary rocks are weathered by wind and waves on the ocean coasts? A. cryosphere; geosphere; exosphere B. atmosphere; geosphere; cryosphere C. hydrosphere; cryosphere; geosphere D. hydrosphere; geosphere; atmosphere