In a population where most of the individuals have long, narrow noses, a child is born with a shorter, broader nose. what's the most likely explanation for this variation?
The varios is because the parents likely had long noses as phenotypic property but one of them or both of them had shorter nkse as genotypic property that is recessive character
The spiral ganglion cells of the inner ear are unipolar. a. True b. False
The spiral ganglion, formed from the primitive otocyst, is located on the cochlea's modulus (axis) and is made up of approximately 35,000 neurons in man. These bipolar neurons are of two types: type I and type II. Its peripheral extensions (dendrites) end in the spiral organ, in contact with the hair cells of which they receive information. Its central extension (axon) ends at the cochlear nuclei of the brainstem.
The First line of defense in the immune systemA( block pathogens from entering block B( KIll infected cells C( Send signals to increase immune cell formation D( kill the pathogen
I think it’s A blocking pathogen from entering block
Molecularly speaking, when you look at a tree, what are you actually look at?
A heterogeneous mixture of water, carbon dioxide, oxygen, glucose molecules
At a molecular level, looking at a tree involves observing atoms and molecules that combine to form more complex structures such as cells, tissues, and organs. These microscopic structures support the tree's growth, function, and ability to adapt to its environment. Thus, a tree represents various levels of biological organization.
Molecularly speaking, when you look at a tree you're witnessing an array of complex structures that form the basis for life. This includes atoms, the smallest and most fundamental units of matter that form molecules. Many biologically important molecules in the tree are macromolecules, large molecules formed by polymerization where smaller units called monomers combine. These molecules are significant components of the tree's cells which are the fundamental building units of life.
Additionally, what you're also seeing are elements of the tree's structure including tissues and organs that are formed by these cells. For instance, the tree's leaves contain specialized cells like guard cells which help regulate gas exchange. On a larger scale, these molecules and cells also contribute to the overall health, function, and resilience of the tree in its ecosystem.
Therefore, when you look at a tree, you're essentially witnessing numerous levels of biological organization. These range from the level of molecules and cells up through tissues and organs, to the entire tree or organism itself. This allows the tree to grow, function, and adapt to its environment.
Learn more about Molecular Structure of a Tree here:
The ____________ is sometimes called the "funny bone" because of the tingling sensation (pain) one feels if the ____________ is bumped. The ____________ passes underneath this bony landmark.
Ulnar nerve is also called funny bone and feels tingling sensation if humerus is bumbed. Medial epicondyle passes underneath this bony structure.
The funny bone isn't actually a bone, its actually a nerve that touches your humerus.It is the ulnar nerve, which travels down the arm posteriorly and eventually reaches the "cubital tunnel" and at this location (between the trochlea and medial epicondyle of humerus), ulnar nerve is called funny bone.
The nerve is relatively unprotected at this place.
A blow here may produce a tingling or a numbing sensation throughout the forearm and hand.
Hence, Ulnar nerve is also called funny bone and feels tingling sensation if humerus is bumbed. Medial epicondyle passes underneath this bony structure.
The ulnar nerve, sometimes called the "funny bone," causes tingling sensation when the elbow is bumped.
The ulnar nerve is sometimes called the "funny bone" because of the tingling sensation (pain) one feels if the elbow is bumped. The ulnar nerve passes underneath this bony landmark.
Learn more about Ulnar nerve and elbow injury here: