Classify and diagram embryos on the basis of their: (a) yolk content, (b) cleavage types, (3) cleavage patterns. Give examples for each.

Q: WORD FILL INS a) All chordates as embryos have the start of gills- what are these called? ____ pouch...

A: Vertebrates, tunicates, and lancelets are all members of the Chordates (Chordata) family of animals....

Q: which objective lens is in place if the object you are viewing is magnified 1000x? (assume ocular le...

A: As if we known that microscope  amplifies the image of an object, a microscope is widely used to vie...

Q: Why didn't photosynthesis progress earlier in the Archaean?

A: Photosynthesis is the cellular process by which plant use sunlight for sun, water from soil, and Co2...

Q: A phlebotomist, named Toru, is sent to the Emergency Room to collect an EDTA specimen for a stat typ...

A: Introduction: Phlebotomy is the process of inserting a cannula into a vein to extract blood. Venipun...

Q: What objects are shown with labels : F (back of the throat), A the FLAP between esophagus and larynx...

A: Introduction: The image depicts here the respiratory system of humans that starts with the nasal cha...

Q: How does the body restore normal blood calcium levels during a state of hypocalcemia (low blood calc...

A: Endocrine and exocrine systems are both present in the human body. Endocrine and exocrine systems ar...

Q: Fluid in the lymph system mostly comes from what leaks out of capillaries O True O False Animals wit...

A: The lymphatic system is another circulatory system present in the body. The composition of the lymph...

Q: Why is there an argument among scientists about recognizing Anthropocene as an epoch?

A: Epoch means an event or a very long time marked by an event that begins a new period or development....

Q: The lipopolysaccharide of Gram-negative bacteria is composed of the following EXCEPT:     Phosphol...

A:     INTRODUCTION         Lipopolysaccharides are mainly present in the cell wall of Gram-  negative ...

Q: When it comes to controlling your weight, how might the science of bioenergy help? Explain your answ...

A: Bioenergy is a type of renewable energy. 

Q: Given a sequence of amino acids explain the type of secondary structure you will expect the protein ...

A: Amino acids are classified as the biomolecules that comprise the amino group as well as a carboxylic...

Q: Question: Discuss the significance of doing water bacteriology on drinking water from the community.

A: Q. Discuss the significance of doing water bacteriology on drinking water from the community.      A...

Q: Identify features that are present in eukaryotic cells but not in prokaryotic cells. Select all that...

A: Identify features that are present in eukaryotic cells but not in prokaryotic cells. Select all that...

Q: WHAT ARE THE CONCEPT AND IMPORTANCE OF THE FOLLOWING? I. Translocation through an artificial membran...

A: Osmosis is the spontaneous net movement or diffusion of solvent molecules through a selectively perm...

Q: What are the various names of articulations based on movement?

A: Articulation is a joint between bones or cartilage in the skeleton of an animal.   Joints or articul...

Q: Name three important functions of DNA.

A: DNA is deoxyribonucleic acid which acts as genetic material in all organisms present on Earth. DNA i...

Q: Discuss the process of evolution through natural selection. What could happen to the ecosystem and a...

A: Evolution is the most fundamental and organizing principles of the biological sciences and as such i...

Q: Liverworts were given their name based on this flat, lobed leaf-like structure

A: Liverworts is a flowerless spore producing plant.  English word 'wort ' means "small plant " . The t...

Q: Please help explain this LAPTM5 Transport HIV-1 Env to the lysosome for degradation

A: Answer 

Q: A tree grows and increases its mass. Explain why thisis not a violation of the law of conservation o...

A: Atoms are the smallest things that are designed to be considered as the basic building blocks of the...

Q: Study the graphs shown in the picture.  Describe the patterns observed in the top group depicting ch...

A: Biodiversity refers to the variety of life on earth at ecosystem, genetic and species levels. 

Q: If you were asked to build a model of a nucleotide, what structures would you need to represent in t...

A: Introduction:- The hereditary ingredient in the cell is genetic material. It contains all of an orga...

Q: Which is not true about our heart A. ventricular systole squeezes blood to the lungs and the body B....

A: Heart is a muscular organ that helps puno blood to different body organs. It has four chambers,  Ri...

Q: Assume height in corn is controlled by 4 genes. The base height is 24 inches, and each dominant alle...

A: The height is controlled by 4 genes. The base height which means with recessive genotype is 24 inch...

Q: 1. Where and when did photosynthesis first evolve? What are some lines of evidence that support this...

A: The term photosynthesis is associated with a process that can be observed in several living organism...

Q: What are the two key concepts for this section?Define freshwater. Explain why access to water is ahe...

A: Water is a vital resource that is essential for human survival, health, and economy. Access to clean...

Q: describe Affinities of bennettitales

A:  Bennettitales are group of fossil plants flourished well during the Triassic to Lower Cretaceous pe...

Q: Which level(s) of protein structure can you find the α helix and the β pleated sheet? mutiple answer...

A: The Beta-pleated sheet is made up of anti-parallel chains of covalently linked amino acids with hydr...

Q: "Life has shaped earth just by existing”. In 2-3 sentences, explain this statement briefly by citing...

A: Life is a complex entity  and it does not formed in just one day. Millions and millions of years too...

Q: I. Apply your knowledge on the basic structure of amino acids by creating a polypeptide chain that i...

A: The amino acids are the basic structural unit of proteins that contain an alpha carbon which contain...

Q: 13. Give 2 reasons why is meiosis a source of genetic variability for organisms? 1. 2. 14. How many ...

A:   INTRODUCTION  In genetically , the cell reproduction occur the identical copies of cell growth and...

Q: What is the immediate energy source for active transport?

A: The movement of molecules across a cell membrane across a concentration gradient from a lower concen...

Q: Why is the last asymmetric carbon used to establish D/L configuration? Is this an arbitrary choice o...

A: In carbohydrates, those molecules show mirror image is known as enantiomers.  It shows absolute conf...

Q: PROBLEM SOLVING: In the human pedigree below, the filled symbols represent the affected individuals....

A: Genotype  Genotype is the collection of all gene inside an organism.

Q: In mice, brown fur color is dominant to black fur color. Another gene affects the production of pigm...

A: Epistasis occurs when the expression of one gene is influenced by the activation of one or more gene...

Q: Provide one example of the Fusiform Face Area

A: The fusiform Face Area in simple terms means spindle shaped area. It is also known as fusiform gyrus...

Q: Swimming just like any other exercise is accompanied by some risks of accidents. Therefore, it shoul...

A: Swimming ie considered as one of the main physical activities for making someone fit, both mentally ...

Q: give the Significance  of the ff   Cleavage to embryogenesis       CAMs and Junctional complexe...

A: * cleavage means  division of cells in  embryo . * The cells formes as result of  cleavage are blast...

Q: C. VESTIGIAL STRUCTURES DIRECTIONS: Read the list of vestigial structures found in humans. Then hypo...

A: Appendix  Possible function-  In another animals storage the mutually beneficial bacteria, that help...

Q: What is the experiment that helped Hershey and Chase recognize DNA as a genetic material? Explain in...

A: Introduction: The undeniable proof that DNA is the genetic material reached from the experiments of ...

Q: Please explain the right as well as the wrong answer

A: Chimps on death row is a movie released in 1998 in United kingdom.

Q: You have spent two decades studying a muscular dystrophy disorder. All previous pedigree data indica...

A: X linked disease is a type of sex linked disease in which the mutation is present in X chromosome. I...

Q: CAPSLOCK ON - What Does It Mean?

A: CAPSLOCK ON- on a computer keyboard means that whatever you type from now on will be typed on in cap...

Q: EcoRI 290 bp 3800 bp EcoRI PUC19 PUC19 3400 bp Bgll EcoRI 290 bp EcoRI 1900 bp PUC19 1500 bp

A: A plasmid circular, small, extra chromosomal double stranded DNA (dsDNA). pUC19 plasmid is one the p...

Q: Independent Practice: For each genotype below indicate whether it is dominant, recessive, heterozygo...

A: According to the question, there are some genotypes provided. Among which we have to indicate whethe...

Q: The arrow is pointing to a cavity called a that is normaily filled with

A: Answer:  The arrow is pointing to a cavity a ventricle that is normally filled with fluid. Option b)...

Q: onsider selection on two traits. The selection gradient on trait 1 is -0.2, and the selection gradie...

A: A very different and relatively unknown method for inferring the existence of constraints is to exam...

Q: Assume that a pinhead is 1 mm in diameter. Howmany spherical bacteria (cocci), lined up side by side...

A: spherical bacteria (cocci) are spherical bacteria as their body is round in shape, They may be gram-...

Q: Explain why you are for or against (a) raising theprice of water while providing lower lifeline rate...

A: Introduction Water is a molecule made up of two hydrogen atoms joined by a covalent link to the cent...

Q: If you were asked to build a model of a nucleotide, what structures would you need to represent in t...

A: Nucleotides are the building blocks of DNA as well as other nucleic acids like RNA. The basic elemen...