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3 years ago

Rosa made a chart to summarize the characteristics of two types of social behavior.

Biology

2 answers:

sashaice [31]3 years ago

5 0

Herding and cooperative hunting

timama [110]3 years ago

5 0

Answer:

The correct answer is that X is herding and Y is cooperative hunting.

Explanation:

Herding refers to the act of animals that form groups at the time of grazing in the field. It enhances the protection of the individual member of the group by developing confusion in the mind of the predator. Herding can also enhance the occurrences of finding a mate as the animals stick close to each other, thus, there are exhibits a greater chance of reproductive success.

On the other hand, cooperative hunting refers to the act of hunting animals in packs. It is generally followed by animals like wolves and lions. These carnivores corner the prey to separate them from their herds and hunt them. This enhances the chances of effectively catching the prey.

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Please also describe how actin-binding sites are made available for cross-bridging with myosin heads during contraction.

yaroslaw [1]

Answer: The calcium ion binds to troponin, and this slides the tropomyosin rods away from the binding sites.

Explanation:

Contraction and relaxation of muscle cells brings about movements of the body. The contractile myofilament called sarcomeres are bounded at each end by a dense stripe called the Z - line, to which the myosin fibres are attached, and lying in the middle of the sarcomere are the actin filaments, overlapping with the myosin.

When action potential spreads from the nerve along the sarcolemma (muscle cell membrane), it penetrates deep into the muscle cell through the sarcoplasm (cytoplasm of muscle cell), and releases CALCIUM from the intracellular stores.CALCIUM triggers the binding of myosin to the actin filament next to it forming CROSS BRIDGES.

For this to occur, ACTIN BINDING SITE has to be made available. TROPOMYOSIN is a protein that winds around the chains of the actin filament and covers the myosin-binding sites to prevent actin from binding to myosin. The first step in the process of contraction is for calcium ions to bind to troponin so that tropomyosin can slide away from the binding sites on the actin strands.

3 0

3 years ago

In a recent murder mystery, a woman died in minutes after consuming cyanide-laced sugar (glucose). Forensic scientists did some

AURORKA [14]

Answer:

<h2>Mitochondria was affected by the poison cellular respiration </h2>

<h3>Hope it helps you </h3>

6 0

2 years ago

use the samples; diamond, dolomite, gneiss, and chalk and provide your analysis of composition and identification based on their

Trava [24]

Answer:

Diamond-

Physical identification characters:

Color- White or Colorless

Lusture - admantine

Streak - Colorkess

Habit - Hour glass structure

Hardness - 10

Cleavage- octaheadral

Composition- pure carbon

Specific gravity-3.5

Dolomite (CaMg(CO3)2

Color - Colorless or white

Hardness is between 3-4

Reacts with any acid

Gneiss

Light and dark strip or banding present alternatively

biotite , pyroxene have Mafic mineral shows dark banding

Quartz, Feldspar have Felsic mineral for light banding

High grade metmorphic rock which is formed due to regional metamorphism of lower grade rock

Chalk(CaCO3)

Color-White

Very fragile

Hardness-1

With acid gives effervescence.

4 0

3 years ago

Rhdndndndndnnddndndnndnx

BlackZzzverrR [31]

what do this mean do you want free points

5 0

3 years ago

Read 2 more answers

What is the function of the endoplasmic reticulum?

Eddi Din [679]

The rough endoplasmic reticulum also known as RER is covered in ribosomes and helps produce most of the proteins. Smooth endoplasmic reticulum also known as SER does not have these ribosomes, and it is almost solely for producing lipids.

Good luck :)

6 0

3 years ago