Try to trace the various components of human evolution (hint: brain size and function, skeletal structure, dietary preference, etc.)

Q: How does the compound microscope achieve magnification? resolution? Cite your reference/s if possibl...

A: Answer

Q: The term "dominant generation" refers to:     two diploid life stages alternating with each other,...

A: * There are different types of life cycles can be seen in plants and algae  Haplontic Diplontic Hap...

Q: Compare three types of signaling molecules: neurotransmitters, hormones, and local regulators.

A: Cell signaling is the process through which a cell uses signals to interact with other cells. Cells ...

Q: a) Horseshoe crabs use to carry oxygen through their blood. b) Why the blood of horseshoe crab is bl...

A: 1) Hemocyanin  2) The blood is blue because it contains a copper based respiratory pigment called he...

Q: Draw a simple sketch illustrating signal amplification.

A: In this sketch we can see that epinephrine which is the main hormone secreted from adrenal medulla c...

Q: why

A: No i would not have reffered to the uncracked sunflower achene is a fruit before this week. The sunf...

Q: How can you distinguish a monocot from a eudicot? How are insects such as bees important for the re...

A: Botany is a discipline of biology which studies plants and their structures, characteristics, and bi...

Q: What degree of action potential in which the membrane potential moves from its maximum degree of dep...

A: Repolarization is the degree of action potential in which the membrane potential moves from its maxi...

Q: Based on the Figure a) Draw and label the oral surface of the brittle star b) What are the character...

A: Brittle star have regeneration power in their arm that is why they named brittle star . They drop th...

Q: Why do you use oil on the slide to be examined with the oil-immersion objective?

A: Introduction  oil immersion technique is used to increase resolving power of a microscope.  It's a t...

Q: Below is a portion of a bacterial chromosome that contains a gene. The promoter region and the +1 ba...

A: Transcription is the process of making RNA copy of gene sequence. This copy is called mRNA. Translat...

Q: 1. what is the importance of Comprehensive Agrarian reform program for the farmers?

A: It is also known as Comprehensive Agrarian Reform Law or CARL. This law is deployed in Phillipines u...

Q: Arrange the important events during the menstrual cycle

A: The female reproductive framework is comprised of the inner and outer sex organs that function in ge...

Q: How does a receptor “know” which signaling molecules to bind?

A: Signaling Receptors are a type of receptor that sends out signals. Receptors are ligand-binding prot...

Q: Data on the result of a cross between parents of a pea plant which are both heterozygous for axial f...

A: ANSWER 1: - Null Hypothesis: There is no significant difference between the observed ratio and the e...

Q: 2. What is the cfu/g or cfu/mL in each sample if the following counts were obtained after spread pla...

A: Potato dextrose agar is a media which is used for growth of yeast and molds. 

Q: Suggest the aspects of reproductive health which need to be given special attention in the present s...

A: Reproductive health refers to a person's entire well-being, which includes physical, social, emotion...

Q: How do organisms evolve? Explain clear

A: Evolution is the process by which the traits of a species evolve over numerous generations through t...

Q: Using the concepts of non-mendelian genetics, what the phenotypic ratio of the offspring if two hete...

A: Option b is correct - 3 pea plant with purple flower : 1 pea plant with light violet flower. BB or B...

Q: What is menstrual cycle? Which hormones regulate menstrual cycle?

A: In primates, the menstrual cycle is a sequence of cyclic physiological changes that occur in the fem...

Q: A chromosomal mutation that occurs during meiosis may or may not be expressed in an organisms offspr...

A: Mutations are changes in DNA sequence during a cell division. 

Q: 7. In pea plants, inflated pod is governed by a completely dominant gene and a constricted pod by a ...

A: Answer :: A gene may have different variants, expressing different characteristics. These variants a...

Q: Consider blue eyes in man as recessive to brown eyes. Show the expected children of a marriage betwe...

A: The phrases dominant and recessive are used to explain how specific features are passed down across ...

Q: 3. The 4. The lens collects a cone of light rays to create an image. _lens focuses a cone of light r...

A: Question 3. Answer : Convex lens or converging lens. They help collect of light rays and or meet at ...

Q: Offspring formed due to sexual reproduction have better chances of survival. Why? Is this statement ...

A: we have to explain why Offspring formed due to sexual reproduction have better chances of survival. ...

Q: What is the difference between predominant and subordinate monoclonal genes? Note the different gene...

A: The genes of an individual do not operate isolated from one another, but obviously are functioning i...

Q: the living cells of -- bone Osteocytes O osteoclasts

A: Bones contain various types of tissue, such as blood, connective tissue, nerves and brain tissue. Bo...

Q: What is the importance of classification in our daily life?

A: * classification means to classify the organisms or something into groups based on observable and mo...

Q: Using the Dihybrid Cross, Give the Total Number and Types of Gametes formed.    1. AaBbCCDd  2. M...

A: Genotype is considered a genetic combination of traits in an organism. Mandel's law of inheritance i...

Q: Why do some species survive while others go extinct? Explain

A: In a due course of time, it is believe that our ancestral species that lived in different parts of o...

Q: In cyanobacteria and photosynthetic eukaryotes, the light-dependent reactions proceed in/at the_____...

A: The process of converting light energy to chemical energy is divided into two stages: light dependen...

Q: Contrast prokaryotic and eukaryotic gene characteristics.

A: Cell morphology, physiology, and other aspects of cell biology are studied in cytology. With a few e...

Q: 14. Type 1 fucosidosis is a rare human disease. Patients cannot hydrolyze the disaccharide fucose, a...

A: Alleles are the alternative forms of a gene that are located on the same locus of a homologous chrom...

Q: Define and explain the relationship between genotypes and phenotypes (50 words) and dominant and rec...

A: According to the question, we have to define and explain the relationship between genotypes and phen...

Q: What is the function of the iris diaphragm in compound microscope? To what part of the human eye wou...

A: Microscope is an instrument that is used to observe or view objects that are too small to be seen by...

Q: What conclusion could you reach about the parents if the offspring had phenotypes in the following p...

A: It is form of gene interactions in which both the allele are partially expressed. 

Q: 9. An undergraduate ecology student doing research on niche dimensions decided to repeat part of R. ...

A: Introduction: Mean is the measure of central tendency most commonly used. Mean is equal to the sum o...

Q: Tertiary carnivores like lions can eat other carnivores. Group of answer choices True False

A: Introduction  In ecosystem,  functional role is played by- Producers  Herbivore/ primary consumers ...

Q: Describe the steps involved in allopatric speciation.

A: The process includes accumulating changes in the genetic content of the organisms that ultimately le...

Q: How does the progeny formed from asexual reproduction differ from those formed by sexual reproductio...

A: We have to explain how does the the progeny formed from asexual reproduction differ from those forme...

Q: Outline the concept of pangenesis and explain how it differs from the present-day germ-plasm theory.

A: The field of research known as evolutionary biology studies the origins and effects of evolution. Da...

Q: In 1993, Kary Mullis won the Nobel Prize in Chemistry for his invention of the PCR process. Describe...

A: Introduction  Almost all the molecular biology techniques revolve around DNA/RNA/Proteins. DNA is on...

Q: True or False for each of the following: A. a neuronal synapse, facilitation of a post -synaptic res...

A: *Synaptic facilitation is primarily caused by changes in pre-synaptic calcium. *Increases or decresa...

Q: antidiuretic Hormone (ADH)? Retains body H20 a. b. Increases blood pressure Decreases extracellular ...

A: The correct option is Option D, Stimulation of uterine muscle contractions. Explanation: ADH is the ...

Q: T/F : Proto oncogenes and tumor suppressor genes may lead to cancer if mutated multiple times.

A: Proto-oncogenes are normal genes that can become oncogenes when they are mutated in specific ways. A...

Q: What can happen if kidneys fail? Are there treatments for that?

A: Answer 

Q: 12. The secretion of follicle stimulating hormone (FSH) & luteinizing hormone i stimulated by which ...

A: FSH is made by your pituitary gland, a small gland located underneath the brain. FSH plays an import...

Q: What is the role of Msx gene family in the development of the Neural crest and neural connectivity?

A: Msx proteins play a key role in craniofacial, limb, and nervous system development. In vitro and in ...

Q: Define, compare, and contrast the utility of microarray and RNAseq while analyzing gene expression l...

A: Microarray: a lab-on-chip technique to determine the expression of mRNA by many genes/genes simultan...

Q: The flowers of 4 o'clock plants may be red, pink or white. Reds crossed to whites only produced pink...

A: Introduction A chi-squared test, specifically Pearson's chi-squared test and variants thereof, is a ...

Violence

Violence is defined as a physical act that causes or is intended to cause harm. Violence can cause physical, emotional, or both types of harm. Violence is defined by the World Health Organization as the intended use of physical force and power that causes threat or harm against oneself, another person, or against a community or group, and has the potential to cause damage, death, mental distress, maldevelopment, or poverty.