Compare and contrast gametogenesis in starfish and sea urchin.

Q: NERVOUS System What is the largest section of the brain? What is a neuron? Name the two major divisi...

A: Nervous system is the major controlling, regulatory and communicating system in our body. It is the ...

Q: Which of the following is/are not required for DNAreplication to occur?a. DNA polymerase d. primersb...

A: DNA (short for deoxyribonucleic acid) is a double helical structure (with two DNA strands). A molecu...

Q: How can you determine whether a suspension of isolated mitochondria metabolizes added glucose to CO,...

A: * carbohydrates metabolism takes place in the cytoplasm of the cell initiallly that is glycolysis * ...

Q: Write the genotype of the following individuals below based on the pedigree above. Please use letter...

A:

Q: The enzyme directly responsible for almost all carbon fixation on Earth is (a)rubisco (b) PEP carbox...

A: Rubisco also known as Ribulose 1,5 bisphosphate carboxylase oxygenase is an enzyme involved in first...

Q: H2N 1.) Look carefully at this nucleotide: N- || НО-Р-О- N. OH a.) Number the carbons in the sugar g...

A: DNA is a long, double-stranded, helical molecule composed of building blocks called deoxyribonucleot...

Q: 3. What is the difference between the compound light microscope and the stereo microscope? (1 Point)...

A: Compound microscope A compound microscope is commonly used to view something in deta that we can't ...

Q: Anaphase- In Mitosis a) Centromeres divide. b) Single-stranded chromosomes (now consisting of one ...

A: There are two different types of cell division: Mitosis: produces diploid cells Meiosis: produces h...

Q: Speculate about why plants deficient in Dicer activity show increased sensitivity to infection by RN...

A: RNA interference is the process of gene silencing that occurs at the posttranscriptional level (also...

Q: Gene expression does not vary by_______ . a. cell type c. stage of development b. extracellular cond...

A: Gene expression is defined as the process wherein genes are read/translated using process-specific m...

Q: 33. Band 3 protein exists as a 95-kDa multipass membrane protein that functions as the primary anion...

A: E is the correct answer. Band 3 protein functions as an anion exchanger, exchanging bicarbonate ion ...

Q: With the help of a schematic diagram describe the haplo-diptontic life cycle pattern in plants. 1.

A:

Q: A. What are the two forms of Energy? Give examples on each form. Hint: Mechanical energy, chemical e...

A: A) Energy can be changed or converted into another forms. Although there are many specific energy f...

Q: Metaphase I a) Tetrads line up on cell’s equator.

A: Meiosis is a type of cell division, where 1 cell divides to form 2 cells and and 2 cells divide to f...

Q: Which of these types of organisms produce cysts as a reproductive structure?     bacteria     pr...

A: Reproduction is the process by which an organism produce offsprings by transferring their genetic ma...

Q: All mutations .a. result from radiationb. lead to evolutionc. are caused by DNA damaged. change the ...

A: Mutations can be categorized as point mutation, chromosome mutation, and copy number mutations. Poin...

Q: cell cycle stage

A: The cell cycle consists of four  phases that is  G1, S, G2, and M. The S phase or the  synthesis pha...

Q: What are the main types of waste?

A: Waste is defined as unwanted and unusable materials and is regarded as a substance that is of no use...

Q: Explain how adjustments to gene expression affect the form andfunction of male and female mammals.

A: Whenever the sex chromosomes are considered, it is always stated that the female contains XX chromos...

Q: . A 19-year-old male with known generalized epilepsy was brought to the emergency department for con...

A: Answer- option C

Q: Where is chlorophyll located in the chloroplast? (a) thylakoid membranes (b) stroma (c) matrix (d) t...

A:

Q: Which of the following molecules can be oxidized to produce ATP? a. amino acids d. complex carbohydr...

A: Amino acids and pyruvate together can be used for formation of 40 ATP. Complex Carbohydrates can be ...

Q: What are the grasslands of North America and of South America respectively called?

A: From the above question we have Explain what are the grasslands of North America and South America r...

Q: Are there ways in which candida albicans might slow down or avoid the adaptive immune system?

A: Candida albicans is known to exhibit following virulence factors which are helpful in either evading...

Q: Can cyclic electron transport alone support photosynthesis? Explain your answer.

A: Cyclic electron transfer involves only PSI and cyt bf and was first described by Arnon. It involves ...

Q: Metaphase- Mitosis a) Chromosomes line up at the equator of the cell. b) One spindle fiber of the ...

A: Miosis is a type of cell division in which the number of chromosomes is retained. Metaphase is one o...

Q: Which of the following best explains the morphological species concept? A. Sexual reproduction among...

A: Introduction: The morphological species concept classifies organisms based on their morphological ch...

Q: What type of fluids are cerebrospinal fluid, mucus, and synovial fluid? A. intracellular B. None o...

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Q: The elements that present in Protoplasm Carbon, Hydrogen Carbon, Hydrogen, Nitrogen, and Oxygen Carb...

A: The living organisms contain cells that are the smallest structural and functional unit of the body....

Q: What are the differences between hnRNAs, snRNAs, miRNAs, siRNAs, and snoRNAs?

A: hnRNAs, snRNAs, miRNAs, siRNAs, and snoRNAs are the different classes of small RNAs involved in diff...

Q: Follow

A: 1) The popliteal artery divides into anterior and the posterior tibial arteries on the tibial bones ...

Q: Briefly state the role microorganisms play in each of the following: ▪ normal microbiota ▪ biologica...

A: Introduction: Biotechnology is the exploitation of biological processes for industrial and other pur...

Q: Explain An Illustration of Experimentation?

A: "ANSWER  Experimentation Is a procedure performed in a controlled environment for the purpose of co...

Q: 3. Inside the treasure chest, you find that whoever last left this treasure had discovered an amazin...

A: We know that enzyme is a biocatalyst that increases the rate of chemical reaction without changing t...

Q: Describe the basic structure of a gene.

A: Gene is the region of DNA that encodes proteins and a trait. While each gene is composed of two vari...

Q: One of the following devices is very sensitive and very fast for measuring temperature change, it ha...

A: Thermocouple it's miles a thermoelectric temperature measuring tool made from wires of different me...

Q: How did the theory of biogenesis lead the way for the germ theory of disease?

A: Introduction: Louis Pasteur was the first person to prove the theory of biogenesis which states that...

Q: all the possible types of gametes

A: Genotype refers to the genetic makeup, composition, or structure of a specific organism. 

Q: b. In the space below, develop a handout or diagram to explain how these checkpoints work under norm...

A: Checkpoints These are the points in the cell cycle of the eukaryotes at which the progression of the...

Q: What is the taxonomic significance of lenticels

A: A lenticel is a porous tissue made up of cells with a large intercellular space between them. These ...

Q: what are the three structures shown in the pictures? a: b: c:

A: DNA is molecule that carries the genetic information in all living organisms. 

Q: 2. A specialized cell of a multicellular organism   a. performs a particular function b. can grow an...

A: Cells in multicellular organisms differentiate and specialise to form tissues that join together to ...

Q: Differentiate between aneuploidy and polyploidy

A: The changes in chromosome number(gain and lose) and structure (inversion, deletion, etc.) is known a...

Q: With the help of a schematic diagram describe the haplo-diptontic life cycle pattern in plants. 1.

A: The production of a sexually reproducing plant alternates between a haploid and a diploid phase of p...

Q: Identify the duct/organ pictured below. Identify the tissue marked with the blue line in the image b...

A: 1.The given diagram is a microscopic view of gastrointestinal tract . This is the passage of digesti...

Q: What is upland field for farming?

A: Farming is growing crops and keeping animals for food and raw materials. Farming is a part of agricu...

Q: A binding site for RNA polymerase is called a .a. gene c. codonb. promoter d. protein

A: Transcription is a process in which one strand of DNA known as template strand is known as converted...

Q: Give an account of various abiotic agencies used in pollination along with their adaptations for pol...

A: Wind and water are two abiotic pollination agents.   i. Wind pollination:   a. Anemophilia: Anemophi...

Q: Name the cell cycle stage in which each event takes place. Each answer choice is used once and only ...

A: * mitosis is a part of the cell where chromosome replicated and  separated into two new nuclei. *Mit...

Q: Frans de Waal found that when they differentially rewarded Capuchin Monkeys for the same task, the m...

A: * Sarah Brosnan and Frans de Waal are the are specialize in social behavior and social cognition. *T...