One of the features of the Acheulian stone tool industry is that the tools were made from stone that was intentionally quarried, rather than stone that was collected off the ground. Group of answer choices True False

Q: Coomassie dye is the equivalent of what component used in analysis of DNA by agarose gel electrophor...

A: Western blot helps to identify specific proteins from a mixture of proteins and this step follows af...

Q: 4. Does growth of corals: Ca²+ + CO, decrease? Explain briefly. CaC03(s) cause atmospheric CO2 to in...

A: Introduction Corals are marine invertebrates, it is an underwater ecosystem characterized by reef-bu...

Q: 1) The activity of the cell cycle is controlled by the abundance of:  A) protein ligases and protei...

A: The "cell cycle", also known as "cell division", is a set of processes that occur in a cell leading ...

Q: How does Genetic Engineering helps the problem of medicine ?

A: Introduction :- Genetic engineering is the process of altering an organism's genetic makeup using re...

Q: What is genetic equilibrium=

A:

Q: 1- One of the following diffusion paths is not driven by the concentration of sub: a- Primary active...

A: Introduction: Passive transport is a movement of biochemicals and other atomic or molecular substanc...

Q: vetebrae

A: The vertebrae regions shown here are the cervical , thoracic and the lunbar vertebrae . 

Q: What is the scientific description of the fruit in this picture? What is the specific term or name f...

A: Description of given fruit's picture. 

Q: QUESTION The amino acid precursor of thyroid hormones, that iodine is added to, then forms the Ty an...

A: INTRODUCTION Answers of Question 8,9 and 10 is given below.

Q: Which of the following fungi is responsible for rotting of foods such as bread, strawberry, and swee...

A: Different scientist have classified fungi differently. Among them the most widely accepted classific...

Q: 45- Which of the following is not considered as lower motor neuron: a- Gamma neuron C- Golgi tendon ...

A: Introduction:- Motor neurones are cells in the brain and spinal cord that transfer orders from the b...

Q: Homo erectus,

A:

Q: In the following graph, curve (line) N represents a vascular function curve (venous return curve) in...

A: Introduction :- Venous return is the flow of blood from the periphery back to the right atrium, and ...

Q: 1) How could your eco-column be used to model the greenhouse effect? 2) Describe how your eco-colum...

A: An ecosystem is defined as a structural and functional unit of ecology where plants, animals, and ot...

Q: Methanopyrus kandleri is an organism that lives in a hydrogen-carbon dioxide environment and discove...

A: Methanopyrus kandleri is a rod-shaped, Gram-positive methanogen with an approximate length of 2-14μm...

Q: Identify physical, geographic, and chemical aspects of the marine environment

A: Marine habitat is habiTate which is supports Marine Life. Marine water is essential factor for marin...

Q: The effective-refractory period present during Phase 2 of the action potential of ventricular myocyt...

A: A transient shift in membrane permeability across the cellular membrane of cardiac cells is known as...

Q: Why does epinephrine bind its receptor in a different location than cortisol binds its receptor?   ...

A: Adrenocortical and adrenomedullary hormones. The adrenal medulla produce hormones called  catecholam...

Q: Suppose a mutation occurs in a cell such that normal Okazaki fragments were created during DNA repli...

A: DNA helicase, is an enzyme that separate double-stranded DNA into single strands allowing each stran...

Q: Describe the method of seed dispersal of the fruit & seeds in the picture below. The more detailed y...

A: Maple seeds travel on the wind by using their wings, but they also attract animals as they are tasty...

Q: Which of the following is NOT part of the endomembrane system? O chloroplast O plasma membrane Ovesi...

A: Introduction: A cell is the smallest unit of life which has a definite structure and a specific func...

Q: QUESTION 34 Hormones are cleared from the blood by metabolism in the O Jungs, brain and and excreted...

A: The above given statement is about hormone function in the body.

Q: 56- Which of the following is correct regarding decerebrate rigidity:

A: Decerebrate rigidity :- it is also known as extensor posturing.

Q: When considered individually, the type of blood vessel that has the lowest resistance is. A)arteriol...

A: Introduction:- In blood vessels, most of the resistance is due to vessel diameter, Resistance is a f...

Q: What is the main moral problem regarding the cloning of human individuals?

A: Introduction  In this question we will discuss about the main moral problem regarding the cloning of...

Q: Explain how some brain functions differ between the left and right hemispheres.

A: The brain is a complicated and labor-intensive organ. Depending on their interests and skills, peopl...

Q: Structures as different as human arms, bat wings, and dolphin flippers contain many of the same bone...

A: Yes, Humans arms, bat wings and dolphin flipper all they have same bones in many different types and...

Q: If our DNA contains all the information about who we are, how can something that does not involve ch...

A: Introduction: The term "phenotype" refers to the observable physical properties of an organism. An o...

Q: 47- Damage of motor neuron cortices on the left side of brain will cause: a- Left flexor muscles to ...

A:     If there is damage that occurs in the left motor cortex, then this will be resulting from ...

Q: Which process is the result of the post transcriptional modification of mRNA?

A: The above given statement is about post transcriptional modification.

Q: What is/are the sensory structure/s present in jellyfish? What is/are it/they for

A:

Q: concentration gradient diffusion  osmosis  facilitated diffusion active transport

A:

Q: Marchantia is specifically considered a Liverwort, which are classified under the larger group known...

A: Liverwort are plants that do not have vascular system. 

Q: A person traveled to Asia and is having trouble with jet lag. What would be the best way to get used...

A: Answer Jet lag, also known as jet lag disorder, is a transitory sleep issue that can affect anybody ...

Q: E.coli, and K. rhizophila. How do you expect to be able to differentiate between the two organisms w...

A: E coli.- called Escherichia coli, a rod-shaped, gram-negative bacteria found basically in intestines...

Q: What factors determine a species?

A: Species It is defined as the largest group of organisms in which two individuals are capable of repr...

Q: Which of these characteristics is NOT shared by bacteria and archaea?

A: The above given statement is about bacteria and archae.

Q: 5- The hydrolysis of ATP is achieved to transport certain sub, this is called: a- Secondary transpor...

A: Introduction :- ATP, or adenosine triphosphate, is a chemical that transports energy within cells. I...

Q: What if the Global Preventions and Control of Tobacco and Alcohol Use diseases are achieved? 2. What...

A: * The alcohol and tobacco these are the high risk factor and complicated addictions for youth. * alc...

Q: Create a sampling design if you were to conduct a study on the following populations: Trees  Amphib...

A: There are few important points related to sampling design . Which are as follows: It is defined as ...

Q: What group of prokaryotes use inorganic chemicals as energy source and fulfill their carbon needs by...

A: The inorganic compounds obtained by the bacteria from the surrounding environment helps the bacteria...

Q: 2. Imagine that you have given blood, but a sample of your red blood cells is accidentally stored in...

A: Red blood cells mean RBCs are responsible for the red color of blood.RBC is placed in saline water b...

Q: Which of the following characteristics is shared by all types of fungi?

A: The topic discussed in the question re about FUNGI .

Q: Give at least 3 reproductive (prezygotic) isolating mechanisms? Briefly discuss how it isolates indi...

A: The reproductive isolation mechanisms are a set of evolutionary mechanisms, behavioural, and physiol...

Q: Abiotic and Biotic Factors Homework Name There are three species of fish living in stream. Species 1...

A: Aquatic organisms experience both intraspecific and interspecific competition and compete by both ex...

Q: What information can be obtained from the slides prepared by wet mount and hanging drop technique fo...

A: A wet mount is produced by putting a fluid solution on a slide, suspending a specimen in it, and the...

Q: How does population size affect genetic diversity? Cite one example.

A:    INTRODUCTION       Genetic diversity is defined as a diet of different types of hereditary featur...

Q: Synapsis and crossing over [Choose ] [Choose] Prophase II Telophase II Prophase I Telophase I Spindl...

A: Synapsis & crossing over - Prophase 1. Spindle form - Prophase 2. Chromosome decondensed - Telop...

Q: One of the following Is not a characteristic of the second Active transport: a- Using the hydrolysis...

A: Active transport is the transport of solutes across a semipermeable membrane with the input of energ...