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3 years ago

How do global winds affect climate?

Biology

2 answers:

kirza4 [7]3 years ago

8 0

Global winds affect the heating of the Earth’s surface. They also affect the currency of the oceans surface.

Vlad1618 [11]3 years ago

3 0

These global wind systems, in turn, drive the oceans' surface currents. Unequal heating of the Earth's surface also forms large global wind patterns. In area near the equator, the sun is almost directly overhead for most of the year. Warm air rises at the equator and moves toward the poles ((from google))

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DESCRIBE the internal anatomy of skeletal muscle, using each of the following terms: ACTIN, MYOSIN, THIN FILAMENT, THICK FILAMEN

jasenka [17]

INTERNAL ANATOMY OF SKELETAL MUSCLE : SKELETAL MUSCLE IS OTHERWISE CALLED AS STRIATED OR VOLUNTARY MUSCLE. THEIR ACTIVITIES ARE UNDER THE VOLUNTARY CONTROL OF NERVOUS SYSTEM. THEREFORE, THEY ARE KNOWN AS VOLUNTARY MUSCLES. PRIMARY FUNCTION OF THIS MUSCLE IS LOCOMOTION AND CHANGES IN BODY POSTURE.

EACH MUSCLE IS MADE UP OF NUMBER OF MUSCLE BUNDLES OR FASCICLES. THESE FASCICLES ARE HELD TOGETHER BY A COMMON COLLAGENOUS CONNECTIVE TISSUE LAYER CALLED FASCIA.

EACH MUSCLE IS COMPOSED OF NUMEROUS MUSCLE FIBRES AND IT IS MULTINUCLEATED, CROSS STRIATED CYLINDRICAL CELLS. IT IS MADE UP OF SARCOLEMMA OR CELL MEMBRANE ENCLOSING SARCOPLASM (CYTOPLASM) . NUMBER OF EVENLY DISTRIBUTED LONGITUDINAL THREADS CALLED MYOFIBRILS ARE PRESENT IN THE SARCOPLASM.

MUSCLE-FASCICULE-FIBRE-MYOFIBRILS-MYOFILAMENTS

EACH MUSCLE IS AN INDIVIDUAL CELL AND CONSISTS OF FOLLOWING PARTS.

SARCOLEMMA, SARCOPLASM, NUCLEI, MYOFIBRILS, MYOFILAMENTS, MITOCHONDRIA, SARCOPLASMIC RETICULUM.

SARCOLEMMA IS CELL MEMBRANE OF MUSCLE FIBRES AND SARCOPLASM IS SEMIFLUID CYTOPLASM OF MUSCLE.

NUCLEI ARE MULTIPLE IN NUMBER AND OVAL IN SHAPE, PERIPHERAL IN DISTRIBUTION BENEATH THE SARCOLEMMA.

MYOFIBRILS ARE CONTRACTILE UNBRANCHED THREADS SITUATED ALONG THE MUSCLE FIBRE. IT CONSIST OF ALTERNATE A-BAND

AND I-BAND. EACH MYOFIBRILS CONSISTS OF LONGITUDINALLY ARRANGED PROTEIN FILAMENTS SUCH AS THIN FILAMENT CONSISTS OF ACTIN, TROPOMYOSIN, TROPONIN WHEREAS THICK FILAMENT CONSISTS OF MYOSIN . THESE ARE CALLED MYOFILAMENTS.

MITOCHONDRIA PROVIDES ENERGY FOR THE WORK OF MUSCLE FIBRE.

BESIDES THE ABOVE COMPONENTS THERE ARE THREE TYPES OF SUPPORTING TISSUES WHICH HELPS IN ORGANIZATION OF SKELETAL MUSCLES. THESE ARE.

ENDOMYSIUM : IT IS A DELICATE SHEATH OF CONNECTIVE TISSUE WHICH COVERS EACH MUSCLE FIBRE OUTSIDE THE SARCOLEMMA.

PERIMYSIUM : THE MUSCLE FIBRES ARE GROUPED INTO FASCICULI EACH FASCICULUS IS COVERED BY A CONNECTIVE TISSUE SHEATH CALLED PERIMYSIUM.

EPIMYSIUM : THE ENTIRE MUSCLE IS COVERED BY A SHEATH OF CONNECTIVE TISSUE KNOWN AS THE EPIMYSIUM.

5 0

3 years ago

Guys! i need URGENT help!

zepelin [54]

Answer:

When carbon dioxide dissolves in seawater, the water becomes more acidic and the ocean’s pH (a measure of how acidic or basic the ocean is) drops. Even though the ocean is immense, enough carbon dioxide can have a major impact. In the past 200 years alone, ocean water has become 30 percent more acidic, faster than any known change in ocean chemistry in the last 50 million years.

Explanation:

7 0

3 years ago

What happens to monomers when they undergo

Volgvan

They are formed into polymers.

6 0

3 years ago

What is the advantage to prokaryotes grouping related metabolic gene products into a single operon?

mr Goodwill [35]

s that a single on off switch can control the whole cluster of functionally related genes; these genes are coordinately controlled (ex: when Ecoli must make tryptophan for itself because the nutrient medium lacks this amino acid all the enzymes for the metabolic pathway are synthesized at one time)

7 0

3 years ago

Writing thoughts in 5 complete paragraphs about becoming a genetic counselor.

shepuryov [24]

Should I Become a Genetic Counselor?
Genetic counselors help educate people about their chances of inheriting genetic disorders or diseases using information from a patient's family medical history. They explain possible testing options and provide support to patients and family members. They also might educate other healthcare professionals, students, and the public about genetic disorders. Sharing potentially upsetting results with clients can be stressful.

Career Requirements
Degree Level Master's degree
Degree Field Genetic counseling, biology, psychology, or related field
Licensure and Certification Certification is required by some employers; licensing is required by many states
Experience Experience requirements vary by employer, but generally the minimum is two years
Key Skills Excellent writing, communication, and decision-making skills; knowledge of human mutation databases and genome browsers; knowledge of Human Genome Variation Society (HGVS) nomenclature
Median Salary (2015) $72,090
Source: U.S. Bureau of Labor Statistics

Steps to Become a Genetic Counselor
Step 1: Earn a Bachelor's Degree
A bachelor's degree in biology or a healthcare-related field typically is a requirement for enrolling in a genetic counseling master's degree program. These programs provide students with the science and math knowledge needed for a career in genetic counseling. Coursework focused in genetics, biochemistry, and statistics is valuable to future genetic counselors.

Some schools offer internships or summer programs for students interested in genetic counseling. These programs provide students with a chance to gain experience at clinics or hospitals and prepare them for a graduate degree program. Also consider doing volunteer work or providing counseling. Performing work for a crisis hotline or reproductive counseling service can help provide the skills and qualifications needed for a graduate program in genetic counseling.

Step 2: Earn a Master's Degree
A master's degree in genetic counseling usually is required for genetic counselor positions. These programs typically provide coursework in human genetics, lab work, counseling, and research. Students develop the skills needed to research, counsel, and consult with patients, their families, and members of the healthcare community to provide information on genetic conditions. Admission requirements usually include a bachelor's degree with credits in genetics, biochemistry, and statistics. Some schools require applicants to have performed some type of counseling work.

Step 3: Get Certified/Licensed
The American Board of Genetic Counselors (ABGC) offers a certification program. This certification is technically voluntary; however, some states require it for licensing, and some employers prefer it. In addition, some states require genetic counselors to become licensed before performing work with the public. Certification requirements include completion of a graduate degree program in genetic counseling through an ABGC-accredited program and passage of a written exam. ABGC certification can serve as proof of competency and give job candidates an edge in employment.

Step 4: Gain Work Experience
Entry-level positions allow genetic counselors to work under supervision, assessing patients, and providing counseling. More advanced positions allow genetic counselors to work independently at these duties, in addition to performing research and providing education to the public and healthcare professionals. The National Society of Genetic Counselors (NSGC) provides individuals with online education resources and opportunities to network with other members of the field. Courses go over self-marketing, mentoring, and instructional guides on starting a clinic.

Genetic Counselors need a field-specific master's degree, and certification and state licensure might be required.

8 0

3 years ago