A. Earth worms
Because it can only flow one way
Habitat, place where an organism or a community of organisms lives, including all living and nonliving factors or conditions of the surrounding environment. A host organism inhabited by parasites is as much a habitat as a terrestrial place such as a grove of trees or an aquatic locality such as a small pond.
The answer is D) enzymes.
“Enzymes are protein catalysts. A specific region of an enzyme where a substrate binds and catalysis takes place.”
The correct answer or option is cerebrum
The cerebrum, also called cortex is the largest part of the brain.
It is divided into four sections, called lobes and these are the frontal lobe,
the parietal lobe, occipital lobe and temporal lobe.
Front lobe helps in speech, reasoning, planning, movement ,
emotions and problem solving.
parietal lobe helps in orientation, and perception of stimuli and
movement.
Occipital lobe helps in visual processing.
Temporal lobe helps in memory, speech as well as perception and
recognition of auditory stimuli
Answer:
The correct answer is option d. "A region of DNA sequence upstream of a gene where transcription factors bind".
Explanation:
Cis-regulatory elements (CREs) are fragments of DNA that do not encode to a protein, but regulate the transcription of nearby genes. CREs regulation is based on binding to transcription factors. These elements are vital for the regulation of complex molecular mechanisms that involve the participation of multiple genes. Additionally, CREs could participate in pleiotropy (a single gene being responsible for the development of multiple traits), because a single transcription factor could bind to different CREs.
