Can you help me please it’s science and I will give you a Brainly list

Explanation:

YY_yellow hair

Yy_yellow hair

yy_blue hair

Bb_full head of hair

Bb_full head of hair

bb_bladness

BB_full head of hair

Answer:

Veinules

Explanation:

Veinules are smaller veins blood vessels that carries deoxygenated or poorly oxygenated blood from the tissues back to the heart except pulmonary veins and umblical veins

After the blood move from the capillaries, it enter smallest veins called veinules and then continually flows into the larger veins till it get to the heart.

In the mentioned case, the statement that the people who has the exercise for an hour may have lower levels of the cholesterol has the hypothesis, and the cholesterol levels in the experiment would be the dependent variable.

A hypothesis has the suggested statement, that has been based upon the previous information, and has been used as an initiation point in the scientific investigation.  

Any scientific experiments that comprise two variables, that it has dependent and the independent variables. The independent variable that refers to the variable, which has controlled or the modified in the scientific experiment in order to determine the influence on the dependent variable.

Scientific hypotheses, in the general, are the premises within the given theory, which can be the validated on the basis of the scientific method, contributing to the formulation of the new hypotheses.

Therefore, the cholesterol levels would be a dependent variable.

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Answer:

B. Photosynthetic

Explanation:

Kingdom animalia and protista are two of the seven classification of kingdoms. Kingdom Animalia is characterized by their eukaryotic multicellular cell and heterotrophic nature of nutrition i.e. depend on other organisms for energy source.

Kingdom protista, on the other hand, are grouped because they do not fit into any other kingdom. Protists can be autotrophic or heterotrophic, single celled or multicellular. Some protists are capable of autotrophic nutrition via photosynthesis e.g algae.

This photosynthetic process is the difference between the protists and animals. Animals can never be autotrophic.

The following characteristics is not shared between Kingdom Protista and Kingdom Animalia is option B. Photosynthetic

Kingdom Animalia and Protista should be two of the seven classifications of kingdoms.  Kingdom Animalia should be characterized by their eukaryotic multicellular cell  And heterotrophic nature of nutrition based on other organisms for an energy source.

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Answer:

at the base of the aortic and Pulmonary trunk

Explanation:

Structurally the mammalian heart is made up of  blood vessels for the empty of the blood from the  heart chambers -the ventricles. Due to the forceful contraction of the blood against gravity into theses vessels,there are tendency for the back flow, from the vessels back into the ventricles.

These may lead to mixing of deoxyganted with oxygenated blood.

Aorta  is the largest artery in the heart.It takes oxygenated blood from the heart into the systemic circulations.To prevent the back flow of the pumped blood after the L.ventricular systole,layers of valves shut up,and stop the flow of blood back into the ventricles.. These are the semilunar vlaves at the bases of the Aorta. The sound produced by this shutting up is called the dupp sound.

Likewise deoxygenated blood flow into the pulmonary circulation en-route the lungs is transported by the Pulmonary trunks.Therefore to prevent the back flow of the deoxygenated blood back into the pulmonary trunk, thes semilunars valves are closed,after  R. ventricular systole

These two valves ensures that  R and L  Ventricular  contraction for the ejection of oxygentated and deoxygented blood occurs without backlow and therefore no mixing of the two types  occurs.

Answer:

The sporophytes of ferns grow through the rhizome

Explanation:

The gametophyte are responsible for sexual reproduction in plants while the sporophytes are usually responsible for asexual reproduction in plants.

Sporophytes are found in the rhizomes of plants and they help in the asexual reproduction.

This is how rhizomes are involved in asexual reproduction of ferns

Answer:

B.Genetic Variation

B. A lower

genetic variation and a lower chance

Answer:

you would get sick time and time again

Explanation:

Nucleic acids are long chainlike molecules composed of a series of nearly identical building blocks called nucleotides. Each nucleotide consists of a nitrogen-containing aromatic base attached to a pentose (five-carbon) sugar, which is in turn attached to a phosphate group.

Answer:

Cells.

Explanation:

Because this question is so vague, there can be multiple different answers. However, when thinking about biology, we know that cells are the basic unit of life, considering the cell theory. The cell theory talks about how cells are the element of life because all living things are made of cells. They are the foundation of life on earth and without them, living things could not exist.

Answer:

The movement of the plates creates three types of tectonic boundaries: convergent, where plates move into one another; divergent, where plates move apart and transform, where plates move sideways in relation to each other.

Explanation:

Answer:

Protostomes: mollusks such as bivalves or gastropods.

                      arthropods such as crustaceans or insects.

Deuterostomes: echinoderms such as the starfish

                           hemichordates such as Enteropneusta (marine    

                           vermiculated animals)

Explanation:

The embryonary development of bilateral coelom animals makes a place for the division of two groups: protostomes and deuterostomes. Among protostomes might be mentioned the flatworms, annelids, mollusks, and arthropods. Deuterostomes include echinoderms and chordates, among others.              

These two groups differ in their specific development. Protostomes show spiral initial segmentation, and the mouth develops as a first opening near the blastopore. Deuterostomes show radial segmentation, the anus develops near the blastopore and the mouth develops later in another place.

Answer:

Asteroids and comets have a few things in common. They are both celestial bodies orbiting our Sun, and they both can have unusual orbits, sometimes straying close to Earth or the other planets. They are both “leftovers” — made from materials from the formation of our Solar System 4.5 billion years ago.

Explanation:

Answer:

1. Karyotyping  

2. In situ hybridization

3. Immunological (immunoblotting)

4. Biochemical (enzyme assay)

Explanation:

Karyotyping is the procedure in which pictures of the chromosomes are taken in order to identify and classify them according to their sizes, lengths, centromere positions, banding patterns, etc. In karyotiping, the chromosomes are stained to be clearly seen under a light microscope. In situ hybridization is a technique where complementary DNA oligonucleotides (either DNA or RNA) are used as probes to localize a specific segment of nucleic acid in a histologic section. Immunoblotting (western blotting) is a sensitive assay where antibodies are used to mark a protein, thereby enabling the identification of target proteins by exploiting the recognition specificity mechanism between antigens and antibodies. An enzyme assay is a technique used to measure the consumption rate of a given substrate or its production rate over time. Enzyme assays can be classified into four types: initial rate, transient kinetics, relaxation and progress curve assays.

Answer:

Energy is the potential for causing changes. Energy helps organisms perform tasks; such as maintaining homeostasis and responding to stimuli. Energy is essential to life because it helps organisms perform essential activities for survival.

:

Answer:

Sample Answer
Hope this helps!

Explanation:

Energy is the ability to do work. Living things need energy to grow, develop, move, and perform voluntary and involuntary body processes.

Answer:

This poisonis an example of an aboitic factor

The poison is an adaptation, as it is an advantage acquired through natural selection that allows the the snakes to bring down and capture their prey. Therefore, option (A) is correct.

In biology, there are three related definitions of adaptation. First, natural selection, a dynamic evolutionary process, adapts organisms to their environments, improving their evolutionary fitness. Second, it is a condition that the populace has attained along that process. Thirdly, it is a phenotypic characteristic or adaptive trait that has been preserved and has developed via natural selection and has a functional purpose in each individual organism.

One example of physiological adaptation is the poison a cobra snake produces to defend itself against bigger creatures. They catch their victim using the poison as well.

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Answer:

cochlea

Explanation:

Answer:

C. They are multicellular.

Explanation:

Answer:

C. They are multicellular

Explanation:

Animal Cells

- All animals are eukaryotes

- All animals are multicellular

Answer:

This question lacks options; the options are:

A) Less heat is needed to keep water at a high temperature

B) Water efficiently absorbs and retains heat.

C) Heat is quickly released from water.

D) Water maintains a constant temperature

The answer is B.) Water efficiently absorbs and retains heat

Explanation:

A substance's specific heat refers to the quantity of heat the substance needs to increase its temperature by 1°C. Hence, a substance is said to have a high specific heat if it takes more heat energy to make it hot while a substance is said to have a low specific heat if it takes less heat energy to make it hot.

According to the question, water is being referred to. Water has a high specific heat meaning that it is good absorber of heat and retain it due to its hydrogen bonding. This is why water will take a longer time and high heat to increase its temperature because it absorbs and retains the heat supplied to it.

Answer:

Produces vital body structures, providing energy, providing cell structure, maintaining fluid balance, act as buffers, contributes to immune function.

Explanation:

Functions of proteins include:

Options A, C, D, F, H and I are correct.

Proteins are macromolecules composed of amino acids and play essential roles in various biological processes. They have diverse functions in the body, contributing to its structure, metabolism, and overall functioning.

Proteins involved in transport facilitate the movement of substances across cell membranes or throughout the body, allowing for the uptake and distribution of nutrients, ions, and other molecules. Examples include transport proteins in the blood, such as hemoglobin that carries oxygen.

Proteins contribute to the structure of the body, providing support, strength, and flexibility to tissues and organs. They form the structural framework of cells, muscles, bones, and connective tissues.

Enzymes are proteins that act as catalysts, speeding up chemical reactions in the body by lowering the activation energy required. They play a crucial role in metabolic pathways and are involved in processes such as digestion, energy production, and DNA replication.

Proteins are integral to muscle contraction and movement. They are responsible for generating force and enabling movement of skeletal muscles.

Certain proteins function as chemical hormones, regulating physiological processes and signaling between cells and tissues. Examples include insulin, growth hormones, and thyroid hormones.

Proteins are involved in cell recognition and communication, facilitating interactions between cells and coordinating cellular activities. They play a role in immune responses, cell signaling, and cell adhesion.

However, genetic code, insulation, and providing a quick burst of energy are not primarily attributed to proteins. The genetic code is carried by DNA and RNA molecules, while insulation is primarily provided by adipose tissue. Quick bursts of energy are predominantly fueled by carbohydrates.

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The complete question is:

Which of the following are functions of proteins?

2(3) +26–3)

The simplified answer is 29

Answer: nucleic acids

Explanation: Among biomolecules, nucleic acids, namely DNA and RNA, have the unique function of storing an organism's genetic code—the sequence of nucleotides that determines the amino acid sequence of proteins, which are of critical importance to life on Earth.

Answer:

The hypothesis that eukaryotic cells evolved from a symbiotic association of prokaryotes—endosymbiosis—is particularly well supported by studies of mitochondria and chloroplasts, which are thought to have evolved from bacteria living in large cells.

Answer:

here

Explanation:

A scientific theory is an explanation of an aspect of the natural world that can be repeatedly tested and verified in accordance with the scientific method, using accepted protocols of observation, measurement, and evaluation of results. Where possible, theories are tested under controlled conditions in an experiment.

Answer:

All living organisms except plants need oxygen, as oxygen is what ignites all living things .. Plants take carbon dioxide and produce oxygen gas through the process of photosynthesis.

Answer:

Oxygen plays a critical role in respiration, the energy-producing chemistry that drives the metabolisms of most living things. We humans, along with many other creatures, need oxygen in the air we breathe to stay alive. Oxygen is generated during photosynthesis by plants and many types of microbes.

Answer is given below

Explanation:

we consider here gap in character size is 0.75 mm

and distance is 300 mm

so minutes of arc is = 0.85944

and

visual acuity is express as

V = standard view distance D ÷ distance at which each letter D' ................1

Answer:

c I think I'm not sure tho